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P0301 Diagnostic Trouble Code Discussion for November 2009

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2002 Volkswagen Passat W8 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: WVWUK63B82
P0301: Cylinder 1 Misfire. Hi Group I suspect the problem with this car is a timing chain has jumped a few teeth. I use Alldata and it does not cover this engine very well. This is a 8 cylinder engine and I don't understand why I don't have 4 misfire codes, if 1 cam is out It should af...
November 03, 2009
1999 Ford Explorer XLT 4.0L Misfire, MIL Lamp on VIN: 1FMZU34E8X
P0301: cyl 1 miss. Misses bad on cylinders 1-2-3, so far I have switched up and down stream O/2 Sensors and that didnt change a thing. I checked for vaccum leaks around intake and doesnt seem to be any, Some things I have noticed is a wierd almost "chirping" sound in the...
November 04, 2009
2007 Chevrolet Silverado 1500 Classic LS 4.3L Misfire VIN: 1GCEK14X87
P0301: Cylinder 1 Misfire Detected. hi everyone,this truck misfires at 1500 rpms faithfully the fuel trim no. are not high.it acts like a lean condition caused by a egr but there is no valve.only thing i see is the cam retard is a -7 degrees.would a ign module cause this?any help would be great,...
November 05, 2009
1996 Honda Accord EX 2.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCD5652T
P0301: Cylinder 1 Misfire Detected. thanks for any help in advance and here are the vehicle symptoms: when car is first started(cold soak) engine runs fine but once it goes into closed loop idle gets a little rough but not misfiring then as soon as it is put in gear and a little load applied eng...
November 05, 2009
2000 Volkswagen Jetta GL 2.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 3VWSC29M2Y
P0301: Cyl 1 Misfire. Howdy Techs, here is a weird German VW problem, When cylinder # 4 was misfiring, fuel pump relay would click rapidly causing multiple misfires. Pin testing relay socket no problems found. Has anyone come across this ? Want to ship the vehicle out. Have driven ...
November 05, 2009
2000 Volkswagen Jetta GL 2.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 3VWSC29M2Y
P0301: Cyl 1 Misfire. Howdy Techs, here is a weird German VW problem, When cylinder # 4 was misfiring, fuel pump relay would click rapidly causing multiple misfires. Pin testing relay socket no problems found. Has anyone come across this ? Want to ship the vehicle out. Have driven ...
November 06, 2009
1997 Honda Accord EX 2.2L Misfire, MIL Lamp on VIN: 1HGCD7239V
P0301: Cylinder 1 Misfire Detected. ... follows: You let the car sit either over night or at least 3 hours and start the vehicle cold. The car will misfire on #1 cylinder for approximately 20 to 30 seconds and then smooth out, from that point on the vehicle will run perfectly. After repeating th...
November 09, 2009
1997 Pontiac Grand Prix GTP 3.8L Cuts out, Misfire, Poor Fuel Economy VIN: 1G2WP1213V
P0301: Cylinder 1 missfire. Customer purchased the car in 2003, and was garaged in 2006. The car sat garaged for 3 years before being put back on the road earlier this year. The problem that this car has is that when you step on the accelerator and the boost builds up, cylinders 1,3,5 mi...
November 09, 2009
2003 Mazda MPV LS 3.0L Poor Idle Quality, MIL Lamp on VIN: JM3LW28A63
P0301: Cylinder 1 Misfire Detected. Hey everyone, I've been working on an 03 mpv with a barely noticable unstable idle. The problem seems worse at times and better at others. There is a cylinder 1 misfire code and a idle system malfunction code. After erasing the codes the misfire code came back...
November 10, 2009
2005 Acura RL 3.5L Misfire VIN: JH4KB16505
P0301: Cylinder 1 Misfire Detected. help!!! this car came from another shop. when you first start the car it runs rough and mis-fires. when you give it gas, it sputters then revs ok and then idles ok. if you drive it up the road easily, it is ok, but under a load it mis-fires. we have check fue...
November 11, 2009
2003 Jeep Grand Cherokee Laredo 4.0L Surge, Misfire, power loss VIN: 1J4GN48S53
P0301: Cylinder 1 Misfire Detected. Sometimes this Jeep will run normally at in-town speeds. It often looses power on the highway and won't go faster than 100 km/hr. It doesnt want to rev much past 3200. If you mash the gas pedal, it will bog severely and refuse to go past 4000 rpm and the CEL f...
November 11, 2009
2003 Jeep Grand Cherokee Laredo 4.0L Surge, Misfire, power loss VIN: 1J4GN48S53
P0301: Cylinder 1 Misfire Detected. Sometimes this Jeep will run normally at in-town speeds. It often looses power on the highway and won't go faster than 100 km/hr. It doesnt want to rev much past 3200. If you mash the gas pedal, it will bog severely and refuse to go past 4000 rpm and the CEL f...
November 13, 2009
2004 Toyota Sienna LE 3.3L MIL Lamp on VIN: 5TDZA23C84
P0301: Cylinder 1 Misfire Detected. got this sienna in about 3 weeks ago MIL light on drives good. pull code p0300 thru p0306. replaced all coils oem. shipped now back same codes . this so called misfireing only happens at 60+mph speeds and will flash the MIL light, but on test drive watching mi...
November 13, 2009
2005 Acura TL 3.2L Stall VIN: 19UUA65595
P0301: Cylinder 1 Misfire Detected. Car came back 30 mins later with blown fuse again. This time #2 coil was melted and smelled burnt just like before. What can cause the coils to short and this time on a different cylinder. The spark plug tubes look fine. Something is causing the coils to short...
November 18, 2009
2005 Subaru Legacy GT Limited 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4S3BL67635
P0301: Cylinder 1 Misfire Detected. customer came in first with a cyl # 3 missfire, codes were just erased by someone else - so monitors had not ran completely. i requested that the customer return when all monitors had ran. customer put new plugs, switched coils around. no difference car runs w...
November 19, 2009
2000 Honda Accord LX 3.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1HGCG165XY
P0301: Cylinder 1 Misfire Detected. HELP! This vehicle driving me nuts.The customer came in complaining of runs rough after hotsoak.It seemed the problem was fuel related.Went through fix database and read about Honda tsb about replace the fuel pressure regulator and pcm.I can make it do it ever...
November 23, 2009
1999 Chrysler LHS 3.5L No Start, Stall VIN: 2C3HC56G0X
P0301: Cylinder 1 Misfire Detected. Thanks for looking . Vehicle will stall hot only when cust. is driving . Of course by the time car is towed , will start and run well . While charging my scope battery , I decided to look at freeze frame . Showed p0300 , 0 RPM , minus -40 deg. coolant and negi...
November 27, 2009
2002 Volkswagen Passat W8 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: WVWUK63B82
P0301: Cylinder 1 Misfire. Hi Group I suspect the problem with this car is a timing chain has jumped a few teeth. I use Alldata and it does not cover this engine very well. This is a 8 cylinder engine and I don't understand why I don't have 4 misfire codes, if 1 cam is out It should af...
November 03, 2009
1999 Ford Explorer XLT 4.0L Misfire, MIL Lamp on VIN: 1FMZU34E8X
P0301: cyl 1 miss. Misses bad on cylinders 1-2-3, so far I have switched up and down stream O/2 Sensors and that didnt change a thing. I checked for vaccum leaks around intake and doesnt seem to be any, Some things I have noticed is a wierd almost "chirping" sound in the...
November 04, 2009
2007 Chevrolet Silverado 1500 Classic LS 4.3L Misfire VIN: 1GCEK14X87
P0301: Cylinder 1 Misfire Detected. hi everyone,this truck misfires at 1500 rpms faithfully the fuel trim no. are not high.it acts like a lean condition caused by a egr but there is no valve.only thing i see is the cam retard is a -7 degrees.would a ign module cause this?any help would be great,...
November 05, 2009
1996 Honda Accord EX 2.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCD5652T
P0301: Cylinder 1 Misfire Detected. thanks for any help in advance and here are the vehicle symptoms: when car is first started(cold soak) engine runs fine but once it goes into closed loop idle gets a little rough but not misfiring then as soon as it is put in gear and a little load applied eng...
November 05, 2009
2000 Volkswagen Jetta GL 2.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 3VWSC29M2Y
P0301: Cyl 1 Misfire. Howdy Techs, here is a weird German VW problem, When cylinder # 4 was misfiring, fuel pump relay would click rapidly causing multiple misfires. Pin testing relay socket no problems found. Has anyone come across this ? Want to ship the vehicle out. Have driven ...
November 05, 2009
2000 Volkswagen Jetta GL 2.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 3VWSC29M2Y
P0301: Cyl 1 Misfire. Howdy Techs, here is a weird German VW problem, When cylinder # 4 was misfiring, fuel pump relay would click rapidly causing multiple misfires. Pin testing relay socket no problems found. Has anyone come across this ? Want to ship the vehicle out. Have driven ...
November 06, 2009
1997 Honda Accord EX 2.2L Misfire, MIL Lamp on VIN: 1HGCD7239V
P0301: Cylinder 1 Misfire Detected. ... follows: You let the car sit either over night or at least 3 hours and start the vehicle cold. The car will misfire on #1 cylinder for approximately 20 to 30 seconds and then smooth out, from that point on the vehicle will run perfectly. After repeating th...
November 09, 2009
1997 Pontiac Grand Prix GTP 3.8L Cuts out, Misfire, Poor Fuel Economy VIN: 1G2WP1213V
P0301: Cylinder 1 missfire. Customer purchased the car in 2003, and was garaged in 2006. The car sat garaged for 3 years before being put back on the road earlier this year. The problem that this car has is that when you step on the accelerator and the boost builds up, cylinders 1,3,5 mi...
November 09, 2009
2003 Mazda MPV LS 3.0L Poor Idle Quality, MIL Lamp on VIN: JM3LW28A63
P0301: Cylinder 1 Misfire Detected. Hey everyone, I've been working on an 03 mpv with a barely noticable unstable idle. The problem seems worse at times and better at others. There is a cylinder 1 misfire code and a idle system malfunction code. After erasing the codes the misfire code came back...
November 10, 2009
2005 Acura RL 3.5L Misfire VIN: JH4KB16505
P0301: Cylinder 1 Misfire Detected. help!!! this car came from another shop. when you first start the car it runs rough and mis-fires. when you give it gas, it sputters then revs ok and then idles ok. if you drive it up the road easily, it is ok, but under a load it mis-fires. we have check fue...
November 11, 2009
2003 Jeep Grand Cherokee Laredo 4.0L Surge, Misfire, power loss VIN: 1J4GN48S53
P0301: Cylinder 1 Misfire Detected. Sometimes this Jeep will run normally at in-town speeds. It often looses power on the highway and won't go faster than 100 km/hr. It doesnt want to rev much past 3200. If you mash the gas pedal, it will bog severely and refuse to go past 4000 rpm and the CEL f...
November 11, 2009
2003 Jeep Grand Cherokee Laredo 4.0L Surge, Misfire, power loss VIN: 1J4GN48S53
P0301: Cylinder 1 Misfire Detected. Sometimes this Jeep will run normally at in-town speeds. It often looses power on the highway and won't go faster than 100 km/hr. It doesnt want to rev much past 3200. If you mash the gas pedal, it will bog severely and refuse to go past 4000 rpm and the CEL f...
November 13, 2009
2004 Toyota Sienna LE 3.3L MIL Lamp on VIN: 5TDZA23C84
P0301: Cylinder 1 Misfire Detected. got this sienna in about 3 weeks ago MIL light on drives good. pull code p0300 thru p0306. replaced all coils oem. shipped now back same codes . this so called misfireing only happens at 60+mph speeds and will flash the MIL light, but on test drive watching mi...
November 13, 2009
2005 Acura TL 3.2L Stall VIN: 19UUA65595
P0301: Cylinder 1 Misfire Detected. Car came back 30 mins later with blown fuse again. This time #2 coil was melted and smelled burnt just like before. What can cause the coils to short and this time on a different cylinder. The spark plug tubes look fine. Something is causing the coils to short...
November 18, 2009
2005 Subaru Legacy GT Limited 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4S3BL67635
P0301: Cylinder 1 Misfire Detected. customer came in first with a cyl # 3 missfire, codes were just erased by someone else - so monitors had not ran completely. i requested that the customer return when all monitors had ran. customer put new plugs, switched coils around. no difference car runs w...
November 19, 2009
2000 Honda Accord LX 3.0L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: 1HGCG165XY
P0301: Cylinder 1 Misfire Detected. HELP! This vehicle driving me nuts.The customer came in complaining of runs rough after hotsoak.It seemed the problem was fuel related.Went through fix database and read about Honda tsb about replace the fuel pressure regulator and pcm.I can make it do it ever...
November 23, 2009
1999 Chrysler LHS 3.5L No Start, Stall VIN: 2C3HC56G0X
P0301: Cylinder 1 Misfire Detected. Thanks for looking . Vehicle will stall hot only when cust. is driving . Of course by the time car is towed , will start and run well . While charging my scope battery , I decided to look at freeze frame . Showed p0300 , 0 RPM , minus -40 deg. coolant and negi...
November 27, 2009