P0302 Code

P0301 & P0302, what should i do? misfire codes cylinder 1 and 2, car has 66k. Jump to Latest Follow 1 - 18 of 18 Posts. P0303 - Cylinder #3. grateful908 · Registered. It also pulled the catalytic converter code, but it doesn't seem to b affecting that too bad right now. Codes: P0300, P0301, P0302, P0303, P0304, P0305 and P0306. A code P0302 may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer. How do I decipher whether it's the coil pack, fuel injector or otherwise? Don't know if this helps with my question, but normally when the engine is on, my scanner shows short & long. Showing a code P0302. P0302 - Misfire. P0302 engine code provides below are generic codes that may not apply to all vehicles. I have a 2009 GMC Acadia SLT. It misses for about a minute then runs fine but the light stays on. From what I found on Blazer Forum net, shows possible ignition problems. It gets great gas mileage otherwise. and came back with all these codes. But misfire didn't move with cylinder. Then, it started throwing P0316 and P0302 codes-generic miss, miss cyl 2 Replaced the coil block, the cam synchro, the cam position sensor, the crank position sensor. I would start by testing the spark plug. 6 with 2 coils and spark plug wires makes it slightly more difficult to diag. I got the code p0302 cylinder 2 miss fire detected. Still having the same problem. When mine did this it was a bad coil pack. Re: Misfiring - P0300, P0302, P0303, P0304 pull leads out and my guess is one will have a hole in one of the ends that go onto a spark plug, that spark can travel to all the other plugs and does some strange things with codes, often comes up as multi cylinder miss fire when only one lead has the hole. also running hot. Mitsubishi Trouble Code Info 96 & later are OBD2 systems and require a scanner. NOTE#1: It is sometimes easy for non-professional mechanics to confuse P0300 with codes P0301 through P0312 , which all refer to consistent misfires on a specific cylinder. When driving aggressively in high revs. It will usually flash the CEL and go into Limp mode until I back off for a few minutes, then the truck will run normally. Since I had 180K miles on it, I was not about to spend that money on it. Getting multiple misfire codes p0302,p0304 etc Took it to a mechanic and he changed the plugs and 5 coils. Reset the codes and swapped out ignition coils 1 and 2 with 3 and 4 to see if cylinder fires would follow, then let the car run for about 10 minutes. The good news is that testing a misfire code, or misfire codes, or a rough idle condition is not that hard and it's something you can do! In this tutorial, I'm going to explain in some detail the most common causes of misfires and misfire codes (P0300, P0301, P0302, P0303, P0304 -OBD II equipped 1. I have changed the plugs,wire distributor cap and rotor cap. com Forums. A mechanic wrote a post that said that bad injectors can cause those codes, so I replaced the injector on cyl 2. Got this code last week when engine light came on. How to Fix P03 Class Trouble Code P0300, P0301, P0302, P0303, P0304, P0305 And P0306. Re: Engine code P0302 Just got my jeep back, with new cylinder head. C0700 engine problem because the presence of voltage at the panel harness won't make the panel work if there is a bad ground connection. This may be due to an under torqued crankshaft pulley bolt. Tighten or connect where necessary. At roughly 107k, the P0302 code first appeared. I've seen many posts about lost compression, sensors, valve springs, coils, etc. P0300 is for. But shops are reporting that the real problem is defective fuel injectors that clog with carbon and must be replaced. Have i scanned again not i am gettin P0300 = random misfire and P0302 + misfire in cylinder 2. Changed all spark plugs and #2 coil. 8t with 105k miles has been misfiring randomly with codes P0202 P0302 P0300 P304 C0000 on the OBDII. Check Engine Light On, P030x Specific-Cylinder Misfire Code. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 2. A mechanic wrote a post that said that bad injectors can cause those codes, so I replaced the injector on cyl 2. once in a while it goes off but mostly on. Obvious misfire, going uphill 6th gear. The computer can also normally identify the specific cylinder in which the misfire. I just had the valves adjusted. I literally had the same problem on an 2007 Camry LE V6. The P0302 Peugeot code means that the cylinder 2 is misfiring or is randomly misfiring. For the past couple weeks I keep getting a cylinder 2 misfire code P0302. Could be many things - spark plugs, coils, high tension leads, vacuum leaks, fuel delivery issues, etc. OBD II Diagnostic Trouble Codes consist of a five-digit alphanumeric code. I need help figuring out what needs to be done to fix P0302 Code - Cylinder #2 Misfire. P0302 which is Cylinder 2 Misfire Detected. so i stayed up all night changed out the plugs and wires b/c that's what the code said. Symptoms Symptoms may include: * the engine may be harder to start * the engine may stumble / stumble, and/or hesitate. Diagnose code P0302 Cylinder 2 Misfire (Sorry!!! Step 1-2, refer to code P0301) Step 1. But whenever accelerating on an on-ramp or having the truck on cruise control, the misfire is quite apparent. I get the p0300 code only after a few wot runs, the car runs perfect and doesn't exhibit any ill effects. P0313 which is Misfire Detected Low Fuel Level Car is running as well as it did from day one when we picked it up from the showroom over nine years ago now. 2L 139k with a P0302 code. The code P0300 means that there is a random misfire between cylinder 1 and cylinder 2, as they occur not all the time. Multiple engine misfires. Misfire in cyl. Subaru Misfire Codes - P0300 P0301 P0302 P0303 P0304dsfe. P0302 Auto Trouble Code. Car was running fine and suddenly had CEL, loss of power, and obvious misfire, running rough. The car stutters on acceleration. Engine doesn't actually run rough I think the customer confused the limp mode rev limiter with rough running. engine (sales code ERB) built on or before July 25, 2012 (MDH 0725XX). Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 2. P0301 means misfire cylinder #1, p0302 cylinder #2 and so on. I will still make an appt. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Same codes appear. Got 2 codes poppin up p0302 and p1399 adjusted valves first at 8 and 10 thats all good did a compression test wet and dry dist unhooked and full throttle. I know what these codes mean but could there be an easy root cause? It is very intermittent. My "Car Chip" from Davis shows that the misfire seems to be occuring only right after startup, and not while at speed going down the interstate. They had to take all a part again to remove the nub. It will usually flash the CEL and go into Limp mode until I back off for a few minutes, then the truck will run normally. It seemed to cruise fine/normal on the highway but it has a very noticeable shake and inconsistent power while accelerating or at idle. Well that didn't work. When a misfire occurs, engine speed will fluctuate. Reset the codes and swapped out ignition coils 1 and 2 with 3 and 4 to see if cylinder fires would follow, then let the car run for about 10 minutes. Tighten or connect where necessary. Same code came up the. This is the second time the truck has presented the. but i figured id throw a new plug in there anyway cuz they are cheap. P0302: Cylinder 2 Misfire Detected. People ask me about misfire codes after they've replaced all the spark plug wires, coil, and plugs and they still have the code.   The P0302 code is caused by a misfire on the number two cylinder. When the engine fired up, the miss is still there and showing the same code. P0302 TOYOTA Tech Notes The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Car was running fine and suddenly had CEL, loss of power, and obvious misfire, running rough. Recently replaced items; -Vanos Seals (thanks Raj, warm idle much better) -Vanos Supply Pipe -Spark plugs (NGK. Something has to be. Coil #2 primary side. When driving aggressively in high revs. So I have a 2006 coupe 2. 60k service was done in april, changed plugs at this time. the a/c won't come on and i've had it filled recently. This morning I has driving and the engine light came on. It's been good overall except for the all too common headgasket that had to be replaced at 102 miles about 7 months ago. 6 speed manual transmission. CEL and above codes. The code P0201 means that the misfires are recorded by the fuel system not firing on the cylinders. C0700 Engine Diagnostic Code. 00 off as a credit towards the repair. Showing a code P0302. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 2. No blinking light. Am getting a P0302 code (cylinder 2 misfire). Getting multiple misfire codes p0302,p0304 etc Took it to a mechanic and he changed the plugs and 5 coils. Faulty spark plug 2. Thought it was a one off a week later same issue which was again resolved by just shutting off and restarting and the rest of the day was fine. I had the car serviced for 70K miles, scheduled service, before the trip (less than 100 miles) and at the time they said get ready for spark plugs on next service. NOTE#1: It is sometimes easy for non-professional mechanics to confuse P0300 with codes P0301 through P0312 , which all refer to consistent misfires on a specific cylinder. " No other codes. P0305 - Cylinder #5. My 2002 VW Jetta 1. I've done the coils and plugs on my E66 and it looks like 1 and 5 are easy to get to on the F0x. My car started misfiring a couple of days ago and I pulled the code PO 302. Now I don't know if I caused the p0499 code. P0341 k20 P0341 k20. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 2. Sometimes the valve will stick, causing a rough idle. Instead of just giving you a cryptic description of what a trouble code means, we offer a lot more information on trouble codes: troubleshooting tips, symptoms, and possible solutions. the a/c won't come on and i've had it filled recently. P0302 Meaning :. The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. It will usually flash the CEL and go into Limp mode until I back off for a few minutes, then the truck will run normally. I then disconnected all 4 injectors wires on the faulty bank so now the engine is really. sergey85 - i did swap out the plugs probably within the last 15,000 miles (cant remember exactly), could have been even less. What should I do. I have a 2009 GMC Acadia SLT. P0303 - Cylinder #3. P0302 Auto Trouble Code. The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. P0302 Symptoms. cylinder 2 misfire. A 0302 code comes up now. Showing a code P0302. Some codes are directly triggered by voltages from sensors, but P0302 (misfire cylinder 2) and other misfire codes are calculated. P0302 Diagnostic Trouble Code Discussion for April 2013 Cylinder 2 Misfire Detected * Note: This is a professional automotive technician's resource. The trouble codes are: P0300, P0301, P0302, P0303, P0304, P0420. When a misfire occurs, engine speed will fluctuate. multiple misfire diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0306, P0307, P0308, P0309, P0309 and/or P0310. P0302 - Ford; Type: Powertrain - Ignition System or Misfire - ISO/SAE Controlled: Description: Cylinder Number 2 Misfire Conditions. I have a 2002 Subaru Forester L with 178,000 miles on it. Got 2 codes poppin up p0302 and p1399 adjusted valves first at 8 and 10 thats all good did a compression test wet and dry dist unhooked and full throttle. We have in our shop 1999 ML320, first presented 12/7/07 with severe misfire, codes P0300,1,2,3,4&6 stored. Car manufacturer uses specific P0302 DTC code that are different from the codes shown below. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Truck has 105k on it and no problems in the past. It was code p0302, went ahead and bought the coil, changed #2 coil, ran well so removed positive battery cable for 1 minute then test drove, ran like normal. " No other codes. When I start the car it will run ok. The CEL comes on as soon as I fill up the tank and goes off when I use fuel system cleaner. All help and comments much appreciated. The question is impossible to answer as it stands, you need to be much more detailed or simply seek professional diagnosis. P0300,P0301,p0302,p0303,p0304,p0305,p0306,p0307,p0308 These are misfire codes. OBD II Diagnostic Trouble Codes consist of a five-digit alphanumeric code. You can check that post out here Today we made a belated discovery: the original, now deleted, P030# bulletin is still available […]. The PCM determines this information using the crankshaft position sensor and camshaft position sensor. P0302 code also up, although this was cylinder 1 and 2 was fine. (source: on YouTube) Honda vtec p1399 code. Service engine lite indicated p0302 so I changed the plugs, wires, dist. Proper diagnosis and repair are fundamental if you want to keep your engine in good shape. SYMPTOM/CONDITION: Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Check engine was flashing then remained on. Then it threw a code so I scanned it and it read P0302 , which is cylinder 2 misfire. 8L V6 Engine. Engine code P0302 Originally Posted by gtony12. A couple of days ago my car started to misfire, it originally did not throw a code for a while. The P0302 Peugeot code means that the cylinder 2 is misfiring or is randomly misfiring. 8t with 105k miles has been misfiring randomly with codes P0202 P0302 P0300 P304 C0000 on the OBDII. EN / RU / ES / FR / DE. Just wanted to see if any of you guys have had any similar issues and what ended up being the problem. P0300 means multicylinder misfire and the rest mean cylinder specific misfires. The following codes popped. 0 Vulcan engine. It is not contributing. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 2. the rough idle with the service engine soon light came on. The engine light came back on and car is still running rough, so I shut the car off and pulled new codes. Me being the shade tree mechanic that I am, scoured the web to figure out a better way of diagnosing my coil as my coil is relatively new. Possible causes of OBD code P0302 Acura A code P0302 Acura may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer. P0300,P0301,p0302,p0303,p0304,p0305,p0306,p0307,p0308 These are misfire codes. ) I did notice my gas mileage has gone down about %20 though. Tighten or connect where necessary. Meaning of P0302 engine trouble code is a kind of powertrain trouble code and P0302 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,200. A quick trip to AutoZone revealed a P0302 code for me (This is a misfire in cylinder 2. Went through and changed the distributor cap and rotor. Code P0302 , Pending Code P0300 and VSC Trac Lights Off is on. Have i scanned again not i am gettin P0300 = random misfire and P0302 + misfire in cylinder 2. Something has to be. 2002 Toyota Camry SE 2. Light stays on now and the diagnostics show codes P0300, P0302 and P0304 - misfire detected in cylinders 2 and 4. The car stutters on acceleration. 028 but no change. Just started a few days ago and happens about an hour into a ride when I'm going down the road at 45 to 50 mph. Foreign vehicles may also use DTC codes different from the generic Engine Diagnostic codes. Bought a used 2005 Sentra with 80K miles. the rough idle with the service engine soon light came on. It misses for about a minute then runs fine but the light stays on. I have replaced the spark plugs (with proper gap), found 2 vacuum leaks and repaired, and changed the very bad battery, still having issues. And there was slight tremor in the idle. I went for the easy fix first and replaced all my spark plugs using the OEM Champion Copper Core plugs. Misfire Codes P0300 P0301 P0302 P0303 P0304 / Moisture in Distributor Cap [S70][1998] posted by Bill1959 on Tue Apr 1 21:45 CST 2014 > V Users marked in green are currently online. P0302 Diagnostic Trouble Code Discussion for November 2007 Cylinder 2 Misfire Detected * Note: This is a professional automotive technician's resource. Since Sears did not have any other diagnostic equipment available they suggested I bring the car to a Toyota dealer for servicing or get it back to my hometown mechanic. I have some codes, P0201,p0300,p0301,p0302,p0304, p0305, p0306. Service engine lite indicated p0302 so I changed the plugs, wires, dist. i got the same code. I have a 2004 Ranger Edge V6 3. I changed the 4 spark plugs + park plugs wires. Diagnose code P0302 Cylinder 2 Misfire (Sorry!!! Step 1-2, refer to code P0301) Step 1. I cleared the code let the truck run in idle for 5 minutes and got code P0302 again so I ruled out the coil pack. Trouble code definition for code P0302. after 2 weeks I got the same symptoms but this time two codes P0302 and P0202. The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Tighten or connect where necessary.   OBD2 Code P0302 and  OBD2 Code P0306 also accompanies this code on this particular vehicle and extensive investigation brings to focus a few things. Meaning of P0302 engine trouble code is a kind of powertrain trouble code and P0302 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,200. but i figured id throw a new plug in there anyway cuz they are cheap. P0302 Code (cylinder 2 misfire) My Jeep just threw this code the other day. It had ~105k miles on it. and came back with all these codes. I have a scan tool that provides some live data but I don't see anything for misfire. I'm now at 111K miles and the engine light has been coming on and staying on. I have a Ford F150 4. P0302 means number two cylinder has a misfire, due to possibly a spark plug, spark plug wire, ignition coil, fuel injector or something mechanical in the engine like a bad valve, valve spring or. I've replaced all spark plugs & wires. I figured probally blew a plug. If there were more codes, the second number would indicate the amount of Diagnostic trouble codes stored in the computer. Reset the codes and swapped out ignition coils 1 and 2 with 3 and 4 to see if cylinder fires would follow, then let the car run for about 10 minutes. This morning I has driving and the engine light came on. I also have oil loss (about 8 months) that may or may not be related. I am experiencing a misfire condition that I can't seem to nail down. engine misfire with diagnostic trouble tsb 06-5-13 code (dtc) p0301, p0302, p0303, p0304, p0305, p0306, p0307, p0308, and p0316. How do I decipher whether it's the coil pack, fuel injector or otherwise? Don't know if this helps with my question, but normally when the engine is on, my scanner shows short & long. Because the trouble code P0171 means that there is a lean mixture in the car, there could be a lot of different sensors or faulty parts that could cause the trouble code. The CEL comes on as soon as I fill up the tank and goes off when I use fuel system cleaner. If there were more codes, the second number would indicate the amount of Diagnostic trouble codes stored in the computer. I have put my fault code reader and it is coming up with Code P0302 (misfire cylinder 2). P0302 code also up, although this was cylinder 1 and 2 was fine. I didn't get P0301 this time. Still having the same problem. WALK_09 · 2012. changed plugs @ 44,000 now at 56,000 any ideas before I take her in. Check Engine Light Code P0302 How does a P0302 code trigger the check engine light? This code will trigger the check engine light as follows: The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. I am at a loss on what to do next as the car doesn’t have a MAF sensor, I can’t do. and came back with all these codes. It was not as. It also pulled the catalytic converter code, but it doesn't seem to b affecting that too bad right now. Swap plugs 1&2 with 3&4 if the misfire moves, time for new plugs, if it doesn't I'd guess at coil pack, not sure if it's a single pack or 4 individual ones so can't say how to test, though if individual then same as testing the plugs, swap 1&2 with 3&4, better checking the coilpack first though. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 2. People ask me about misfire codes after they've replaced all the spark plug wires, coil, and plugs and they still have the code. (I'm assuming thats the way this car chip records). The question is impossible to answer as it stands, you need to be much more detailed or simply seek professional diagnosis. also running hot. I need help figuring out what needs to be done to fix P0302 Code - Cylinder #2 Misfire. It also consistently throws a P0302 code: no other code, just the P0302. When I start the car it will run ok. Could it be injector? If so, how do I replace injector? Thanks a lot. P0302 Engine Fault Code Check Solution For P0302 OBD Code : P0302 engine code seems a kind of powertrain problem, we try to show one by one the meaning and the solution. I bought a good fuel system cleaner today - see what that does. I cleared the code and put fuel injecter cleaner in the tank as suggested in a thread I found. I'm just concerned that it's cylinders 1 and 5 at the same time. A code P0302 may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer. No blinking light. -By turning off and restarting engine, rough idle is gone. I'm still getting the same codes P0300, P0301, P0302. P0313 which is Misfire Detected Low Fuel Level Car is running as well as it did from day one when we picked it up from the showroom over nine years ago now. I did what research I could online before posting this. The diagnostic trouble code P0302 means that there has been a misfire in cylinder number 2. I changed the plugs and coilpack a little while ago,. than the ones with coil packs. " No other codes. Then it threw a code so I scanned it and it read P0302 , which is cylinder 2 misfire. Vehicle problem question: What could cause a constant P0302 misfire code after finding an open wire connection on cylinder # 2 ignition coil? This # 2 coil wire was repaired and was tested with good continuity. I will still make an appt. If there is a whirling noise coming from the engine compartment, do REPAIR PROCEDURE B. Me being the shade tree mechanic that I am, scoured the web to figure out a better way of diagnosing my coil as my coil is relatively new. Took the car to an inde shop and they ran codes and diagnosed the issue to misfire in cylinder # 2 and they found fouled plugs and porcelain broken. OBD2 ) trouble codes resource site. 60k service was done in april, changed plugs at this time. Engine light is flashing and it's idling VERY rough and is obviously missing at rpm's 1200-3500. I have a H&S MiniMax, Banks Intake, and AFE Dpf delete with 5" pipes throughout. For instance cylinder 1 misfire is P0301, cylinder 2 is P0302 etc. The good news is that testing a misfire code, or misfire codes, or a rough idle condition is not that hard and it's something you can do! In this tutorial, I'm going to explain in some detail the most common causes of misfires and misfire codes (P0300, P0301, P0302, P0303, P0304 -OBD II equipped 1. Car manufacturer uses specific P0302 DTC code that are different from the codes shown below. I get the p0300 code only after a few wot runs, the car runs perfect and doesn't exhibit any ill effects. Cylinder 6 misfire cost. I changed the spark plugs and the code went away, never to return. It stands for: P0302 is certainly a cause for concern, and can be a threat to the drivability the Chrysler 300. We use cookies to give you the best possible experience on our website. In that time I haven't done anything other than put a muffler delete onto it. WTF!!!! I have a 07 GTI, APR stage 2+. The PCM determines this information using the crankshaft position sensor and camshaft position sensor. The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. i brought it up to autozone and the code readers says p0302 like 4 times. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. The shear characteristics of the clutch fluid gradually deteriorates over time, with an average loss in drive efficiency of about 200 rpm per year. I am suspecting a plug or coil pack. My 2002 VW Jetta 1. Jump to Latest Follow 1 - 13 of 13 Posts. The issue moved to #4 and gave me a P0304 code. We exchanged the transmission with a identical Camry, I added Toyota ATF IV transmission fluid, added coolant, made sure all wire harnesses are connected, all sensors connected. It's been good overall except for the all too common headgasket that had to be replaced at 102 miles about 7 months ago. grateful908 · Registered. The engine light came back on and car is still running rough, so I shut the car off and pulled new codes. Possible Causes:. Look for loose engine ground wires as well. Looking back, maybe the only indication was that my gas mileage had gone down to an average of about 17mpg. P0302 is a cylinder specific misfire code, which means that cylinder 2 is misfiring and causing the code. We use cookies to give you the best possible experience on our website. Engine light is flashing and it's idling VERY rough and is obviously missing at rpm's 1200-3500. I just changed the O2 sensor, spark plugs and oil. P0302 Auto Trouble Code. When I start the car it will run ok. This site is the premier OBD-II ( a. my wife owns a 2002 WRX, the car is all stock except for a K&N stock replacement filter. 7L 2WD P0300 - Random misfire P0301 - Cylinder 1 misfire P0302 - Cylinder. misfire through all gears while dr p0302-Cylinder #2 misfire - Nissanhelp. IF it was random it could from fuel issues to bad igniton, and if was two cylinders side by side it could be a gasket or head failure. reset code and fairly soon returns to chek engine again. While driving in rush hour traffic, the van's check engine and traction control light came on. I discovered that the distributor gear was worn out so I replaced the distributor with a new one. Codes P0300, P0302, P0303, P0304 5. The codes P0301 and P0302 are directly related to cylinder 1 and cylinder 2. The ECU determines which cylinder is misfiring by using the crankshaft position sensor to detect variations in the rotational speed of the crankshaft. P0300 HYUNDAI - Random/Multiple Cylinder Misfire Detected- Possible causes - Faulty spark plug (s) - Faulty ignition coil (s) - Clogged or faulty fuel injector (s) - Intake air leak - Fuel injectors harness is open or shorted - Fuel Injectors circuit poor electrical connection - Ignition coils harness is open or shorted - Ignition coils circuit poor electrical connection - Insufficient cylinders compression - Incorrect fuel pressureThere is a factory service bulletin for the following. Code P0302 Definition. You have to figure out whether it was caused by lack of spark or lack or fuel and then the cause of the problem. A P0300 diagnostic code indicates a random or multiple misfire. I limped it to my local O'Reilys and used their trouble code scanner to read the code, even without the check engine light on. I get a cylinder 2 misfire code about twice a month. Here we’ll discuss its symptoms, causes. Ignition system. I have also cleaned the idle air controller. So I have a 2006 coupe 2. In my case it really was the compression off about 70% for that cylinder.   The P0302 code is caused by a misfire on the number two cylinder. If misfire (P0300, P0301, P0302, P0303, P0304) or fuel system too rich (P0172) DTCs are set, do REPAIR PROCEDURE A. 2008bmw 335xi code po304 305 306. Symptoms may include:. Same code came up the. 028 but no change. my 01 dodge caravan 3. This time it presented after the car had been running for over an hour and had idled for about 15 minutes without moving. Meaning there is only one code stored in the PCM or computer and it is currently being displayed. The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Could be many things - spark plugs, coils, high tension leads, vacuum leaks, fuel delivery issues, etc. Got 2 codes poppin up p0302 and p1399 adjusted valves first at 8 and 10 thats all good did a compression test wet and dry dist unhooked and full throttle. Got this code last week when engine light came on. the rough idle with the service engine soon light came on. 7L 2WD P0300 - Random misfire P0301 - Cylinder 1 misfire P0302 - Cylinder. P0302 code also up, although this was cylinder 1 and 2 was fine. I've been checking everynight and there is a pending p0302 (cyl 2 misfire) code but the MIL light is still off. (there was a o2 code as well, now it's gone. I have a 2002 base RSX with 140,00 miles. P0300,P0301,P0302,P0305,P0306 and P0420. Brief explanation of the P0302 code and definition of P0302 is the bottom side. 4L triton v8 rough idle, no power (2009 Ford F-350 Super Duty) So far what I've done erase codes the I took coil packs 5,6,7 and swapped them with 2,3,4 re run truck and that didn't change code still come up the same. So your code would be a PO3O2. Possible causes of OBD code P0302 Acura A code P0302 Acura may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer. I replaced the spark plugs and the hesitation went down a bit but check engine light was still showing a P0302 code so I replaced the Ignition coil on cylinder 2 and it fixed the problem. No other codes are thrown/pending etc. she is still running a little rough so I think the code will be back soon. Engine doesn't actually run rough I think the customer confused the limp mode rev limiter with rough running. the codes are Engine codes - related to a misfire just Google the p0### number it's used on virtually ALL vehicles for the last 10 years genrally the little FIAT engines use 2 x coil packs serving 2 cylinders each - hence the previous advice of swapping the packs to see if the misfire moves with it. So I have a 2006 coupe 2. Monday morning I went to AutoZone and they ran the codes. A misfire just means that the ECM has determined that that particular cylinder is slacking off, so to speak. But whenever accelerating on an on-ramp or having the truck on cruise control, the misfire is quite apparent.  The Misfire monitor diagnostic is based on variation in crankshaft velocity. Since Sears did not have any other diagnostic equipment available they suggested I bring the car to a Toyota dealer for servicing or get it back to my hometown mechanic. A mechanic wrote a post that said that bad injectors can cause those codes, so I replaced the injector on cyl 2. Had the car towed to my house and ran the codes. P0302 is a relatively common Ford F150 trouble code. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. 2002 Toyota Camry SE 2. But misfire didn't move with cylinder. The engine light came back on and car is still running rough, so I shut the car off and pulled new codes. Maybe spark plug in Cyl 2 (which is still in Cyl 2 - I haven't pulled any plugs yet) is bad, or perhaps fuel injector #2?. While driving in rush hour traffic, the van's check engine and traction control light came on. with the dealer in case my troubleshooting fails to. What Does P0302 Code Mean? OBD-II Code P0302 is defined as a Misfire Detected in #2 Cylinder. On a side note, now I have 3 codes show up: P0302, P0304 and P0300. Of course this happens on the first day of school. Check for loose connectors at the ignition coils or for damaged wiring (specifically cylinder 1). and came back with all these codes. Initially I got P0302 code and the car was stumbling and hesitating. We exchanged the transmission with a identical Camry, I added Toyota ATF IV transmission fluid, added coolant, made sure all wire harnesses are connected, all sensors connected. Faulty spark plug 2. Check engine was flashing then remained on. I have a 2010 MS3 with 64K on it, drove it to San Diego and it was running just fine. Codes: P0300, P0301, P0302, P0303, P0304, P0305 and P0306. I have a 2009 GMC Acadia SLT. Also, you’ll learn how to properly diagnose and repair it. Possible causes of OBD code P0302 Buick A code P0302 Buick may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer. While driving in rush hour traffic, the van's check engine and traction control light came on. Reset code and no problems for a whole week until this AM and light back on with same P0302 code. I've seen many posts about lost compression, sensors, valve springs, coils, etc. It was not as. In most cases, there are no adverse conditions noticed by the driver. The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Its the catalytic converters that suffer. It was code p0302, went ahead and bought the coil, changed #2 coil, ran well so removed positive battery cable for 1 minute then test drove, ran like normal. If there are multiple descriptions of the diagnostic code listed above, please read below to see if any of the descriptions are known to be for a specific model or year of Jeep vehicle. That same code just happened, again, on our Nitro. Diagnose code P0302 Cylinder 2 Misfire (Sorry!!! Step 1-2, refer to code P0301) Step 1. Engine light is flashing and it's idling VERY rough and is obviously missing at rpm's 1200-3500. Turn the ignition off, remove the ignition coils. @BamaToy1997's advice is solid. I'm now at 111K miles and the engine light has been coming on and staying on. P0302 comes back as an electrical/ignition fault & the first item to check is what I was going to suggest anyway , Toyota plug wires are notorious for going bad & even if running smooth doesn't take much to throw this code. I went through my normal procedure of checking the fuel cap and drove several times to no avail. 2001 CVT 120k miles. Today my wife said it was driving very rough so I told her to get codes scanned. Truck has 105k on it and no problems in the past. Installed a new OEM coil pack, reset codes. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 2. I found out that in Ontario, you can get a readiness conditional pass if you having trouble getting all your monitors to the ready state (with conditions), but I'm not sure whether that pending p0302 code will be an issue/fail (light is off) ? and wondering perhaps if this is in some way holding up the last of the obd ready monitors (code. The good news is that testing a misfire code, or misfire codes, or a rough idle condition is not that hard and it's something you can do! In this tutorial, I'm going to explain in some detail the most common causes of misfires and misfire codes (P0300, P0301, P0302, P0303, P0304 -OBD II equipped 1. Symptoms may include:. Engine light is flashing and it's idling VERY rough and is obviously missing at rpm's 1200-3500. sajidahmed April 22, 2018 0 Comments. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 2. And there was slight tremor in the idle. but i figured id throw a new plug in there anyway cuz they are cheap. I also have oil loss (about 8 months) that may or may not be related. The engine is running better but is still rough. I don't have any solutions for you but there was a thread I found on older mavs that some people think it might be a flat spot on the belt causing vibration that the engine sees as a knock. When the misfire monitor detects a misfire, it will trigger the check engine light with the specific cylinder number as the last digit in the P030X code. Since Sears did not have any other diagnostic equipment available they suggested I bring the car to a Toyota dealer for servicing or get it back to my hometown mechanic. Jump to Latest Follow 1 - 13 of 13 Posts. The codes P0301 and P0302 are directly related to cylinder 1 and cylinder 2. After all, the symptoms are easy to notice, and a quick checkup of your car's functions will help you determine where the issue really is. Changed all spark plugs and #2 coil. After changing the spark plug and coil pack I reassembled the car, cleared the codes and drove down the road with a fixed CC!. Checked spark plugs obvious point of call, platinum tips worn right down. If misfire (P0300, P0301, P0302, P0303, P0304) or fuel system too rich (P0172) DTCs are set, do REPAIR PROCEDURE A. How to repair car engine error failure code P0302 or 302. I then disconnected all 4 injectors wires on the faulty bank so now the engine is really. 5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit various engine misfire symptoms accompanied by diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305 and/or P0306 stored in the powertrain control module. I have a 2009 GMC Acadia SLT. Best case is the plug being the wrong grade, otherwise it's a lean burn /pre-ignition problem caused by a faulty injector or. started misfiring all of a sudden, check for codes po301-po306 also PO1399 all cylinders. So I have a 2006 coupe 2. I had the car serviced for 70K miles, scheduled service, before the trip (less than 100 miles) and at the time they said get ready for spark plugs on next service. If the misfire changes to the cylinder you swapped the co. When you don't have an OBDII reader that will let you reset the codes, you can disconnect the battery for a minute then reconnect it. 1 16686/P0302/000770 - Cylinder 2 Misfire Detected. P0302 Meaning :. But misfire didn't move with cylinder. Check for an active DTC. It was code p0302, went ahead and bought the coil, changed #2 coil, ran well so removed positive battery cable for 1 minute then test drove, ran like normal. It still runs really smooth. Just started a few days ago and happens about an hour into a ride when I'm going down the road at 45 to 50 mph. Code P0302 came up for cylinder 2 misfire and then P228C. 5 300 What should be replaced? On Friday my wife took it to a shop and they recommend a fuel injector cleaner be added to the gas tank as a first cheap option hoping it may just be a dirty injector. P0300, P0302, P0304, P0305 I am driving the turbo N/A turbo model. A 0302 code comes up now. So i waited whole night reset CEL and swap coil 1 qith 4 and 2 with 3. The car only shows sign of a miss when it idles. Disconnect the fuel injector harness connector of the cylinder being tested. How much damage will it cause to the car if I continue to drive till I am able to get to a mechanic? Do I need to take Monday off and have the car. Check for any signs of wear and heat damage in all of the components of Ignition System. We exchanged the transmission with a identical Camry, I added Toyota ATF IV transmission fluid, added coolant, made sure all wire harnesses are connected, all sensors connected. Engine had thrown a P0302 code (Cyclinder 2 misfire). the engine was shaking pretty badly. P0302 - Cylinder 2 Misfire Detected; I went to auto zone the code p0302 and new code p0499 popped up. 4 petrol, normally not long after being started when driving it will stutter and engine light will flash then stay solid, the stuttering normally clears after a short while. A P0300 diagnostic code indicates a random or multiple misfire. It also consistently throws a P0302 code: no other code, just the P0302. My p0300 code was easily repaired on a 2007 accent was replacing the battery. Codes were p0202 & p0302. It's been good overall except for the all too common headgasket that had to be replaced at 102 miles about 7 months ago. Mitsubishi Trouble Code Info 96 & later are OBD2 systems and require a scanner. The code P0300 means that there is a random misfire between cylinder 1 and cylinder 2, as they occur not all the time. Something has to be. The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. I went ahead an changed the intake manifold gasket, cleared the code and drove around the block a couple times and no code. Turn the ignition off, remove the ignition coils. I have changed out the spark plugs and wires and the 3 coil packs. Looking at Stuff. Then they found out that the oil put pump was leaking. It was code p0302, went ahead and bought the coil, changed #2 coil, ran well so removed positive battery cable for 1 minute then test drove, ran like normal. 2000 528 auto with 106k miles. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 2. Something has to be. Driving with a P0302 code. Engine had thrown a P0302 code (Cyclinder 2 misfire). Modern vehicles are equipped with a computer with a misfire detection monitor that tells the scanning tool about misfire and detect which cylinder is having trouble. How to Fix P03 Class Trouble Code P0300, P0301, P0302, P0303, P0304, P0305 And P0306. No diagrams nothingvery frustrating. The code merely means that the PCM has detected a misfire in cylinder #2. Apr 10 2016, 7:06pm. However, if neither of these methods work then it is possible the dash code reader is not functioning correctly. Here we’ll discuss its symptoms, causes. To change the fuel injectors I had to release the fuel pressure for a pt cruiser 2008 the easiest way to do that is to go to the back right and unplug a cable to the fuel pump and running the. The car stutters on acceleration. Since they already saw that you have after market plugs hey may not cover it! Little know note All DTC codes P0301-P0312 is reserved for the cylinder number misfire. All the plugs were changed about 20,000 miles ago and i just changed the coil on it with a motorcraft coil. P0302 Diagnostic Trouble Code Discussion for November 2007 Cylinder 2 Misfire Detected * Note: This is a professional automotive technician's resource. Ford Code P0302 - Cylinder 2 Misfire Detected. 175000miles. Here are the four common types of misfire and how to check for the code P0302. Output was 12. After the codes are cleared. Disconnect the fuel injector harness connector of the cylinder being tested. Truck has 105k on it and no problems in the past. 2 liter V6 engine came in with a flashing check engine light and a complaint of skipping. car is running a little rough. cylinder 2 misfire. Took the car to an inde shop and they ran codes and diagnosed the issue to misfire in cylinder # 2 and they found fouled plugs and porcelain broken. I took it to the mechanic shop he said it might be that the injector is having some dirt. A misfire occurs when an insufficient amount of fuel is burning in a cylinder. Same code came up the. A misfire just means that the ECM has determined that that particular cylinder is slacking off, so to speak. P0301, P0302, P0303, P0304 questions Hello, I'm a service technician and have access to a great deal of automotive information--including, pulling engine trouble codes (cel codes), and troubleshooting them. A week ago the P0302 code came up, i did a lot of research and figured it might be the coil pack. P0302 is a relatively common Chrysler 300 trouble code. P0302 - Cylinder #2. How to Fix P03 Class Trouble Code P0300, P0301, P0302, P0303, P0304, P0305 And P0306. I have reset my check light and it has not come on now for about 1000 miles (just got back from a trip. -By turning off and restarting engine, rough idle is gone. 5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit various engine misfire symptoms accompanied by diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305 and/or P0306 stored in the powertrain control module. You have to figure out whether it was caused by lack of spark or lack or fuel and then the cause of the problem. After the codes are cleared. I had the car serviced for 70K miles, scheduled service, before the trip (less than 100 miles) and at the time they said get ready for spark plugs on next service. P0302 is certainly a cause for concern, and can be a threat to the drivability the Ford F150. But whenever accelerating on an on-ramp or having the truck on cruise control, the misfire is quite apparent. cylinder 2 misfire. Cylinder 2 misfire detected. 8t with 105k miles has been misfiring randomly with codes P0202 P0302 P0300 P304 C0000 on the OBDII. New guy here that needs some help. A P0302 code is one cylinder, so it should be pretty easy to figure out. P0302 Engine Trouble Code. I looked a the forum and didn't see any threads that pointed to the most likely cause. We use cookies to give you the best possible experience on our website. 3) Switched the Coil to see if the code followed from cylinder 2 to the next (it didn't). I figured probally blew a plug. A misfire occurs when an insufficient amount of fuel is burning in a cylinder. 5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit various engine misfire symptoms accompanied by diagnostic trouble codes (DTCs) P0300, P0301, P0302, P0303, P0304, P0305 and/or P0306 stored in the powertrain control module. A P0302 code means that the the car’s computer has detected that one of the engine’s cylinders is not firing properly. The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. My 2006 Kia Sorento check engine light comes on with code P0302 intermitent misfire #2 Cylinder Coil has been changed plugs are new and plug wires are new any suggestions? 2 Answers. than the ones with coil packs. Faulty spark plug 2. Still getting the damned codes!. ) I did notice my gas mileage has gone down about %20 though. I cleared the code and put fuel injecter cleaner in the tank as suggested in a thread I found. How do I decipher whether it's the coil pack, fuel injector or otherwise? Don't know if this helps with my question, but normally when the engine is on, my scanner shows short & long. I also have oil loss (about 8 months) that may or may not be related. 2013 nissan rogue code p1740. This site is the premier OBD-II ( a. Foreign vehicles may also use DTC codes different from the generic Engine Diagnostic codes. Still having the same problem. once in a while it goes off but mostly on. A quick trip to AutoZone revealed a P0302 code for me (This is a misfire in cylinder 2. While I was driving it home (doing 30mph to 40mph) the check engine lamp came on and stayed on, so I pulled off into a parking lot, and left it there. But shops are reporting that the real problem is defective fuel injectors that clog with carbon and must be replaced. Cylinder 2 misfire detected. The P0302 Volkswagen code means that the cylinder 2 is misfiring or is randomly misfiring. I have a 2002 base RSX with 140,00 miles. So I have a 2006 coupe 2. is this as simple as a fouled spark plug?. 2013 nissan rogue code p1740. Well that didn't work. Is there any chance with this many codes registering misfire and a reading that shows 11 problems and a second obd that registered 16 problems, that maybe the firing order has been changed by mistake or improperly set prior to buying this vehicle now owner of 1 week. Faulty spark plug 2. Not surprisingly, Honda recommends checking the condition of the spark plugs and ignition coils as your first step. The light starts to blink. IF it was random it could from fuel issues to bad igniton, and if was two cylinders side by side it could be a gasket or head failure. Obvious misfire, going uphill 6th gear. Car manufacturer uses specific P0302 DTC code that are different from the codes shown below. reset code and fairly soon returns to chek engine again. After talking to her I found out that she had the E light on for awhile and it was a blazing 25 degrees today. 16686/P0302/000770. Code P0302 , Pending Code P0300 and VSC Trac Lights Off is on. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes". Just wanted to see if any of you guys have had any similar issues and what ended up being the problem. Still getting the damned codes!. P0302: Cylinder 2 Misfire Detected. p0302 code, rough idle, after hard acceleration? Post by aleo101 » Sat Sep 18, 2010 10:27 am I hope that someone can shed some light on this situation I find myself in with my 2003 Taurus, 3. This morning I has driving and the engine light came on. P0302 is a relatively common Ford F150 trouble code. When I start the car it will run ok. For example, P0302 indicates a misfire on cylinder #2. P0302 is a cylinder specific misfire code, which means that cylinder 2 is misfiring and causing the code. Same codes appear. 8L V6 Engine. The engine runs fine, no evident problems. Could be many things - spark plugs, coils, high tension leads, vacuum leaks, fuel delivery issues, etc.
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