Join Now
International Automotive Technicians Network

P0301 Diagnostic Trouble Code Discussion for January 2008

Cylinder 1 Misfire Detected


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2002 Toyota Highlander 3.0L Hesitation, Misfire, MIL Lamp on VIN: JTEHF21A82
P0301: Cylinder 1 Misfire Detected. Hi Guys Banging my head here. This thing runs real bad for my customer most of the time. She says it lacks power and runs rough. Feels like it will quit but never does. Four times she has brought it in and it always runs great for me. Today I drove it for 2 h...
January 03, 2008
2001 Volkswagen Passat GLS 1.8L Misfire VIN: WVWAC63B21
P0301: Cyl. 1 misfire. This car has two dead cylinders. Compression ok and even all cylinders. Cyl. leakdown less then 10% all cylinders. Now the misfiring cylinders are actually cyls. 2 and 4. I've swapped all parts from 1+3 to 2+4 with no changes. What I've actually discovered is ...
January 07, 2008
2003 Hyundai Elantra GLS 2.0L Misfire VIN: KMHDNA45D5
P0301: Cylinder 1 Misfire Detected. car was towed in , another shop replaced coil pack. I lab scoped coils #2 & #3 firing fine, #1 & #4 no spark scope shows 12v with lines trying to fire. I ohmed coil looks fine .I pulled computer harness same signals at computer pins 4 & 5, I scoped...
January 10, 2008
2001 Volkswagen Beetle GLS 2.0L Misfire, MIL Lamp on VIN: 3VWCS21C31
P0301: misfire cyl 1. hello techs vehicle came in skiping on cyl 1 and cyl 4 replaced coil/module cyl 4 cured but cyl 1 still skipping, checked compression-all cyl-above 130 replaced plugs and wires-still skipping on #1 switched plugs and injector from cyl 1 to a different cylinder...
January 14, 2008
2001 Volkswagen Beetle GLS 2.0L Misfire, MIL Lamp on VIN: 3VWCS21C31
P0301: misfire cyl 1. hello techs vehicle came in skiping on cyl 1 and cyl 4 replaced coil/module cyl 4 cured but cyl 1 still skipping, checked compression-all cyl-above 130 replaced plugs and wires-still skipping on #1 switched plugs and injector from cyl 1 to a different cylinder...
January 15, 2008
1999 Volkswagen Passat GLS 2.8L Poor Idle Quality, Cuts out VIN: WVWMD63B3X
P0301: Cyl 1 misfire. vehicle came in MIL on ... idles ok .after replacing camshaft sensor, vehicle wont idle when warm...idles ok when cold, drives ok at all speeds. after replacing cam sensor, misfire codes went away, vehicle was driven over 50 miles, no codes came back. Replaced...
January 17, 2008
2005 Kia Spectra LX 2.0L Cuts out, Stall, Misfire, MIL Lamp on VIN: KNAFE12154
P0301: Cylinder 1 Misfire Detected. this car will stall intermittley alot we have a fleet of these car that we work on after looking at the code info i went to the fuel cap now while this car is running with the gas cap removed a loud swirling noise comes from the fill neck down in the tank also...
January 18, 2008
2004 Honda CR-V EX 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLPD68484
P0301: Cylinder 1 Misfire Detected. ... light on. p0300, p0301, p0302,,,ect... replaced spark plugs due to mileage and used iridium style as required by manufacture. could not get rid of the mis no matter what we did. swapped coils, checked for vacuum leaks, changed plug type. long term fuel tri...
January 23, 2008
2004 Honda CR-V EX 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLPD68484
P0301: Cylinder 1 Misfire Detected. ... light on. p0300, p0301, p0302,,,ect... replaced spark plugs due to mileage and used iridium style as required by manufacture. could not get rid of the mis no matter what we did. swapped coils, checked for vacuum leaks, changed plug type. long term fuel tri...
January 24, 2008
2001 Ford Windstar LX 3.8L Hesitation, Misfire VIN: 2FMZA51481
P0301: Cyl 1 misfire. This car came in for no power under load. scanned for code and get those above. Checked for cause of lean and none was found fuel pressure,air leaks and oxygen sensors all seems well. The misfire codes freeze frame is RPM-2173,Fuel sys-CL,ECT-163,MPH-44,Load-7...
January 25, 2008
2006 Audi A3 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUNF78P96
P0301: miss1. hey audi techs! got an a3 here w/ 2.0turbo. exhibits a misfire and severe lack of power w/ po301 and a solid mil [not flashing?] checked the few audi posts and saw the one about a pcv system malfunction on the 1.8 a4. pulled the dipstick and found vacuum but n...
January 28, 2008
2002 Honda Accord EX 3.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1FGCG16532
P0301: Cylinder 1 Misfire Detected. Hello, this Honda has been at three other shops, no parts have been replaced but nothing has been fixed. The engine has a misfire on all cylinders, but mainly #2 and 4 when cold. As the vehicle reaches operating temp the misfire slowly goes away, until gone. I...
January 28, 2008
1999 Chevrolet Venture 3.4L Poor Idle Quality, Misfire VIN: 1GNDX03E7X
P0301: cyl 1 misfire. heres a good one to all the gm techs i've been on this vehicle for days and i can't figure it out. at idle the fuel trims go up to -17% and has a slight miss it clears up at about 1500-2000 rpms, it also keeps setting misfire codes on bank 1. monotoring misfir...
January 29, 2008
2002 Honda Accord EX 3.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1FGCG16532
P0301: Cylinder 1 Misfire Detected. Hello, this Honda has been at three other shops, no parts have been replaced but nothing has been fixed. The engine has a misfire on all cylinders, but mainly #2 and 4 when cold. As the vehicle reaches operating temp the misfire slowly goes away, until gone. I...
January 29, 2008
2003 Dodge Grand Caravan EX 3.8L Misfire VIN: 2D4GP74L73
P0301: Cylinder 1 Misfire Detected. Vehicle has misfire at idle only. Sometimes very noticable. Often intermittent or almost a flutter. Off idle no miss. Freeze frame shows RPM 704-Fuel syst.1 closed-syst.2 not used-ECT 185 Degrees-MAP 10.9HG-Shrt. fuel trim -.7%-Long fuel trim 3.1%-Load%6.7-VSS...
January 31, 2008
1998 Volkswagen Jetta GL 2.0L Surge, Cuts out VIN: 3VWRA81HXW
P0301: testing and results. I put a starter in it thats what it was in for fixed...now the problem back out of shop for road test and park it..drive away gets to 3000rpm bogs goes to idle let it idle comes back to life 3000rpm bogs even in other gears...code P301 an 1580 comes up ever ti...
January 31, 2008
2002 Toyota Highlander 3.0L Hesitation, Misfire, MIL Lamp on VIN: JTEHF21A82
P0301: Cylinder 1 Misfire Detected. Hi Guys Banging my head here. This thing runs real bad for my customer most of the time. She says it lacks power and runs rough. Feels like it will quit but never does. Four times she has brought it in and it always runs great for me. Today I drove it for 2 h...
January 03, 2008
2001 Volkswagen Passat GLS 1.8L Misfire VIN: WVWAC63B21
P0301: Cyl. 1 misfire. This car has two dead cylinders. Compression ok and even all cylinders. Cyl. leakdown less then 10% all cylinders. Now the misfiring cylinders are actually cyls. 2 and 4. I've swapped all parts from 1+3 to 2+4 with no changes. What I've actually discovered is ...
January 07, 2008
2003 Hyundai Elantra GLS 2.0L Misfire VIN: KMHDNA45D5
P0301: Cylinder 1 Misfire Detected. car was towed in , another shop replaced coil pack. I lab scoped coils #2 & #3 firing fine, #1 & #4 no spark scope shows 12v with lines trying to fire. I ohmed coil looks fine .I pulled computer harness same signals at computer pins 4 & 5, I scoped...
January 10, 2008
2001 Volkswagen Beetle GLS 2.0L Misfire, MIL Lamp on VIN: 3VWCS21C31
P0301: misfire cyl 1. hello techs vehicle came in skiping on cyl 1 and cyl 4 replaced coil/module cyl 4 cured but cyl 1 still skipping, checked compression-all cyl-above 130 replaced plugs and wires-still skipping on #1 switched plugs and injector from cyl 1 to a different cylinder...
January 14, 2008
2001 Volkswagen Beetle GLS 2.0L Misfire, MIL Lamp on VIN: 3VWCS21C31
P0301: misfire cyl 1. hello techs vehicle came in skiping on cyl 1 and cyl 4 replaced coil/module cyl 4 cured but cyl 1 still skipping, checked compression-all cyl-above 130 replaced plugs and wires-still skipping on #1 switched plugs and injector from cyl 1 to a different cylinder...
January 15, 2008
1999 Volkswagen Passat GLS 2.8L Poor Idle Quality, Cuts out VIN: WVWMD63B3X
P0301: Cyl 1 misfire. vehicle came in MIL on ... idles ok .after replacing camshaft sensor, vehicle wont idle when warm...idles ok when cold, drives ok at all speeds. after replacing cam sensor, misfire codes went away, vehicle was driven over 50 miles, no codes came back. Replaced...
January 17, 2008
2005 Kia Spectra LX 2.0L Cuts out, Stall, Misfire, MIL Lamp on VIN: KNAFE12154
P0301: Cylinder 1 Misfire Detected. this car will stall intermittley alot we have a fleet of these car that we work on after looking at the code info i went to the fuel cap now while this car is running with the gas cap removed a loud swirling noise comes from the fill neck down in the tank also...
January 18, 2008
2004 Honda CR-V EX 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLPD68484
P0301: Cylinder 1 Misfire Detected. ... light on. p0300, p0301, p0302,,,ect... replaced spark plugs due to mileage and used iridium style as required by manufacture. could not get rid of the mis no matter what we did. swapped coils, checked for vacuum leaks, changed plug type. long term fuel tri...
January 23, 2008
2004 Honda CR-V EX 2.4L Poor Idle Quality, Misfire, MIL Lamp on VIN: JHLPD68484
P0301: Cylinder 1 Misfire Detected. ... light on. p0300, p0301, p0302,,,ect... replaced spark plugs due to mileage and used iridium style as required by manufacture. could not get rid of the mis no matter what we did. swapped coils, checked for vacuum leaks, changed plug type. long term fuel tri...
January 24, 2008
2001 Ford Windstar LX 3.8L Hesitation, Misfire VIN: 2FMZA51481
P0301: Cyl 1 misfire. This car came in for no power under load. scanned for code and get those above. Checked for cause of lean and none was found fuel pressure,air leaks and oxygen sensors all seems well. The misfire codes freeze frame is RPM-2173,Fuel sys-CL,ECT-163,MPH-44,Load-7...
January 25, 2008
2006 Audi A3 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAUNF78P96
P0301: miss1. hey audi techs! got an a3 here w/ 2.0turbo. exhibits a misfire and severe lack of power w/ po301 and a solid mil [not flashing?] checked the few audi posts and saw the one about a pcv system malfunction on the 1.8 a4. pulled the dipstick and found vacuum but n...
January 28, 2008
2002 Honda Accord EX 3.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1FGCG16532
P0301: Cylinder 1 Misfire Detected. Hello, this Honda has been at three other shops, no parts have been replaced but nothing has been fixed. The engine has a misfire on all cylinders, but mainly #2 and 4 when cold. As the vehicle reaches operating temp the misfire slowly goes away, until gone. I...
January 28, 2008
1999 Chevrolet Venture 3.4L Poor Idle Quality, Misfire VIN: 1GNDX03E7X
P0301: cyl 1 misfire. heres a good one to all the gm techs i've been on this vehicle for days and i can't figure it out. at idle the fuel trims go up to -17% and has a slight miss it clears up at about 1500-2000 rpms, it also keeps setting misfire codes on bank 1. monotoring misfir...
January 29, 2008
2002 Honda Accord EX 3.0L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1FGCG16532
P0301: Cylinder 1 Misfire Detected. Hello, this Honda has been at three other shops, no parts have been replaced but nothing has been fixed. The engine has a misfire on all cylinders, but mainly #2 and 4 when cold. As the vehicle reaches operating temp the misfire slowly goes away, until gone. I...
January 29, 2008
2003 Dodge Grand Caravan EX 3.8L Misfire VIN: 2D4GP74L73
P0301: Cylinder 1 Misfire Detected. Vehicle has misfire at idle only. Sometimes very noticable. Often intermittent or almost a flutter. Off idle no miss. Freeze frame shows RPM 704-Fuel syst.1 closed-syst.2 not used-ECT 185 Degrees-MAP 10.9HG-Shrt. fuel trim -.7%-Long fuel trim 3.1%-Load%6.7-VSS...
January 31, 2008
1998 Volkswagen Jetta GL 2.0L Surge, Cuts out VIN: 3VWRA81HXW
P0301: testing and results. I put a starter in it thats what it was in for fixed...now the problem back out of shop for road test and park it..drive away gets to 3000rpm bogs goes to idle let it idle comes back to life 3000rpm bogs even in other gears...code P301 an 1580 comes up ever ti...
January 31, 2008