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P0301 Diagnostic Trouble Code Discussion for May 2011

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2002 Volkswagen Passat GLS 1.8L Stall, Misfire, cold start
P0301: miss 1. Hi there I have got an 02 passat that has a cold start misfire stall we have checked for vac leaks (smoke tested), check fuel pressure (50-52 psi), replaced coils with the lateset OE parts the MAF has been changed 2 times (jobber and then OE part) T/body has b...
May 01, 2011
2001 Mercury Sable LS 3.0L Misfire, MIL Lamp on VIN: 1MEFM55S41
P0301: Cylinder one misfire. ... habit of asking for help, but this time there is too many summaries in the knowledge base to feel strongly about what direction to go without too much tail chasing!? She brings it back with this code and intermittant misfire. In the shop W/lab scope spark ...
May 05, 2011
2007 Chevrolet Cobalt LT 2.2L Misfire, MIL Lamp on, harsh shift VIN: 1G1AL55F77
P0301: Misfire cyl 1. ... helpful suggestions. This is a coworkers daughters car and has a salvage title. The car runs fine above idle but intermittently and regularly begins to misfire. When this is occuring, the trans will begin harsh shifting and check eng light will come on wit...
May 06, 2011
2002 Jaguar X-Type 3.0L Cuts out, Stall, Misfire, MIL Lamp on VIN: SAJEA51C22
P0301: cyl 1 misfire. vehicle has 6 new coils and spark plugs [towed in like that] i can clear codes while runnuing and in seems too run on 6 for a few seconds then goes back too cylinders 2-4-6 only,checked for power on red wire at all coils and there is battery power,checked grou...
May 06, 2011
2007 Toyota Corolla CE 1.8L Misfire, MIL Lamp on VIN: 1NXBR32E47
P0301: Cylinder 1 Misfire Detected. Looking for help on this Corolla and also on a 2000 model. Both cars have returned multiple times with repeated coil failures on #1 cylinder. We have no spark, but power and signal to coil. The 2000 model's owner has a son that is a tech at a Mississippi Toyot...
May 13, 2011
2001 Toyota Highlander 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: JTEHF21AX1
P0301: Cylinder 1 Misfire Detected. I group , this truck came in my shop with multiple dtc after than another shop have make the replacement of the timing belt , the belt was broken, and since the this time the truck have thoses dtc. Someone have an idea , the timing seem to be good , but do you...
May 14, 2011
2001 Toyota Highlander 3.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: JTEHF21AX1
P0301: Cylinder 1 Misfire Detected. I group , this truck came in my shop with multiple dtc after than another shop have make the replacement of the timing belt , the belt was broken, and since the this time the truck have thoses dtc. Someone have an idea , the timing seem to be good , but do you...
May 15, 2011
2000 BMW 323i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: WBAAM3330Y
P0301: Misfire. Well this car came to the shop with misfire codes on the memory, after check found out that the plugs were in really bad shape and the valve cover gasket leaking oil, we replace it, but problem continue. The problem happens most of the time when car is cold an...
May 18, 2011
2001 Volkswagen Passat GLS 1.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WVWPD63B01
P0301: no 1 cylinder misfire. i need some help from vw techs please and thanks i have this passat is running rough and showing misfire all 4 cylinder it only happens when its cold and first start up it run rough about 1 minute or maybe little more and goes away after that car runs fine no ...
May 18, 2011
1999 Volkswagen Jetta GL 2.0L No Start VIN: 3VWRA29M3X
P0301: 1 missfire. ... start,it will barely run after exessive cranking at WOT, but just sits there and chugs,(acted as if timing was ways slow, or exhaust plugged) customer has replace plugs, wires and coil pack, the installation of these parts appears ok, so far ive, disconect...
May 23, 2011
2000 BMW 323i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: WBAAM3330Y
P0301: Misfire. Well this car came to the shop with misfire codes on the memory, after check found out that the plugs were in really bad shape and the valve cover gasket leaking oil, we replace it, but problem continue. The problem happens most of the time when car is cold an...
May 24, 2011
2001 Honda Odyssey LX 3.5L Misfire VIN: 2HKRL18671
P0301: Cylinder 1 Misfire Detected. Depsite visual, fuel and vacuum checks the engine continues to run with a misfire. It is important to note that prior to the oil pressure switch change the problem did not exist. After the repair, the misfire developed.
May 25, 2011
2006 Chevrolet Trailblazer LT 5.3L Hesitation, Misfire, MIL Lamp on VIN: 1GNET16MX6
P0301: Cylinder 1 Misfire Detected. Thanks ahead of time for looking: We preformed a compression check, leak down check, all ok. Did run in compression test on the #1 bank. Cylinder #1 was low and 3, 5 and 7 were fine. Removed cylinder heads and valves. #1 exhaust valve excessive wear. Regrounde...
May 31, 2011