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P0301 Diagnostic Trouble Code Discussion for October 2011

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
1999 Honda Civic DX 1.6L Misfire VIN: 2HGEJ6612X
P0301: cylinder 1 misfire. pulled valve vover and checked for week valve springs. No week valve springs.
October 03, 2011
2001 Volkswagen Jetta GLX 2.8L Misfire, MIL Lamp on VIN: WVWTG61J51
P0301: Cylinder 1 Misfire detected. This Jetta VR6 wagon came to us a few months back with the complaint of running rough and the check engine light flashing. A bad intake switching valve was diagnosed and replaced. It still has a bit of the noise, but the valve works properly. It came back two ...
October 05, 2011
2001 BMW X5 3.0i 3.0L Misfire, MIL Lamp on VIN: WBAFA53521
P0301: Cylinder 1 misfire. Vehicle came in with all six cylinders misfiring and oxygen sensor bank one and bank two pre cat deviation codes. Found coils burned up from arching and spark plugs mismatched Replaced all coils and spark plugs. Cleared codes and test drove vehicle, vehicle ra...
October 07, 2011
1997 Jeep Grand Cherokee Limited 5.2L Cuts out, Misfire, MIL Lamp on VIN: 1J4GZ78Y7V
P0301: Cylinder 1 Misfire Detected. This is my personal vehicle in which I try to maintain. Two weeks ago jeep overheated due to faulty seam in radiator. I put new one in and all was well for about a week, when fuel pump went out. After pump quit,and new pump put in, motor still missfiring on co...
October 08, 2011
1997 Jeep Grand Cherokee Limited 5.2L Cuts out, Misfire, MIL Lamp on VIN: 1J4GZ78Y7V
P0301: Cylinder 1 Misfire Detected. This is my personal vehicle in which I try to maintain. Two weeks ago jeep overheated due to faulty seam in radiator. I put new one in and all was well for about a week, when fuel pump went out. After pump quit,and new pump put in, motor still missfiring on co...
October 09, 2011
2003 Saturn Vue 3.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 5GZCZ53B53
P0301: Cylinder 1 Misfire Detected. Hello fellow techs. I need your assistance! i put a timing belt on this saturn vue 3.0, for preventative maintenance. Now i have multiple misfires in cyl 1,3, and 5. My timing is dead on. I checked and rechecked it several times. And i have the timing kit for ...
October 10, 2011
2004 Mazda RX-8 1.3L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: JM1FE17324
P0301: Front Rotor Misfire Detected. i have a rx8 that came in not running. put a new set of plugs in got it running, but only on number 2 rotor is firing. checked spark on number 1 rotor no spark either coil, any suggestions or common issues with ecm, wiring, etc? thanks
October 11, 2011
2003 Saturn Vue 3.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 5GZCZ53B53
P0301: Cylinder 1 Misfire Detected. Hello fellow techs. I need your assistance! i put a timing belt on this saturn vue 3.0, for preventative maintenance. Now i have multiple misfires in cyl 1,3, and 5. My timing is dead on. I checked and rechecked it several times. And i have the timing kit for ...
October 11, 2011
2003 Dodge Dakota 3.9L Hesitation, Misfire, MIL Lamp on VIN: 1D7FL16X23
P0301: Cylinder 1 Misfire Detected. This is a nice one. truck came in with cyl 1 and 2 misfire checked compression and tune up left in good condition. three days later truck came back with backfire and running lean. in open loop truck was running rick -25% ltft backfired. After closed loop truck...
October 12, 2011
2003 Honda Accord EX 2.4L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1HGCM56643
P0301: Cylinder 1 Misfire Detected. we had a honda towed in for a no start.. scanned it for codes and got the listed codes. i erased the codes and got the car to start but it runs really bad and will only stay running if you leave your foot on the gas. by the time i got it in the shop it had res...
October 12, 2011
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWMD63823
P0301: misfire 1. Customer brought car in with complaint of running poorly, almost shutting off and flashing check engine light. I pulled the codes and with the 0171 and misfires on all cylinders, I sort of ruled out one or two bad coils. It also had code 0507 but there wasn't...
October 17, 2011
2001 Mitsubishi Galant ES 2.4L Misfire VIN: 4A3AA46GX1
P0301: Cylinder 1 Misfire Detected. ... an intermittent misfire did plugs, wires, coil still missed. swapped out the coils still missed. tested wires to injector good all the way to pcm. grounds are all ok. did bg fuel injection cleaning and air intake system clean. checked the waveform of volta...
October 19, 2011
1998 Audi A6 Quattro 2.8L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: WAUBA24BXW
P0301: Cyl 1 misfire. OK this one I'm uncertain of. This Audi has a Cyl 1-3 misfire and a shorted cam sensor code. I ran a compression test on the vehicle and was surprised to find cyl 1-3 had less than 10 psi and cyl 4-6 had over 140. I was curious if anyone knows if a bad cam sen...
October 25, 2011
1994 Lexus ES300 3.0L Excessive Emissions, Misfire VIN: JT8GK13TXR
P0301: cyl. 1 misfire. to the best group of people in the field(kissin up never hurts), i have a 94 lexus es300 from another shop here that has intermittant misfire on cyls. 1 3 5, according to modis. Havent been able to duplicate problem. the other guys replaced plugs with autolite...
October 27, 2011
1999 Volvo V70 R AWD 2.3L Cuts out, Stall, Misfire, MIL Lamp on VIN: YV1LV62D9X
P0301: 1 cyl missfire. car came in a month ago for scheduled maint. @ that time check eng lamp was burnt out. Only code was "check eng lamp circuit". After replacing the lamp went on 10 mile road test to verify all monitors had run & no codes. Car is back now w/ check e...
October 27, 2011
2004 Land Rover Discovery SE 4.6L Misfire VIN: SALTY19444
P0301: misfirecyl.1. Hello Group, I am pretty certain that I have a bad coil pack on this one.Misfires on cylinders 1 and 6. I am trying to scope the ignition secondary.This v-8 has 2 coil packs.I have the scope set on distrubutorless ignition,secondary.The hookup is simple.One ...
October 28, 2011
1999 Honda Civic DX 1.6L Misfire VIN: 2HGEJ6612X
P0301: cylinder 1 misfire. pulled valve vover and checked for week valve springs. No week valve springs.
October 03, 2011
2001 Volkswagen Jetta GLX 2.8L Misfire, MIL Lamp on VIN: WVWTG61J51
P0301: Cylinder 1 Misfire detected. This Jetta VR6 wagon came to us a few months back with the complaint of running rough and the check engine light flashing. A bad intake switching valve was diagnosed and replaced. It still has a bit of the noise, but the valve works properly. It came back two ...
October 05, 2011
2001 BMW X5 3.0i 3.0L Misfire, MIL Lamp on VIN: WBAFA53521
P0301: Cylinder 1 misfire. Vehicle came in with all six cylinders misfiring and oxygen sensor bank one and bank two pre cat deviation codes. Found coils burned up from arching and spark plugs mismatched Replaced all coils and spark plugs. Cleared codes and test drove vehicle, vehicle ra...
October 07, 2011
1997 Jeep Grand Cherokee Limited 5.2L Cuts out, Misfire, MIL Lamp on VIN: 1J4GZ78Y7V
P0301: Cylinder 1 Misfire Detected. This is my personal vehicle in which I try to maintain. Two weeks ago jeep overheated due to faulty seam in radiator. I put new one in and all was well for about a week, when fuel pump went out. After pump quit,and new pump put in, motor still missfiring on co...
October 08, 2011
1997 Jeep Grand Cherokee Limited 5.2L Cuts out, Misfire, MIL Lamp on VIN: 1J4GZ78Y7V
P0301: Cylinder 1 Misfire Detected. This is my personal vehicle in which I try to maintain. Two weeks ago jeep overheated due to faulty seam in radiator. I put new one in and all was well for about a week, when fuel pump went out. After pump quit,and new pump put in, motor still missfiring on co...
October 09, 2011
2003 Saturn Vue 3.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 5GZCZ53B53
P0301: Cylinder 1 Misfire Detected. Hello fellow techs. I need your assistance! i put a timing belt on this saturn vue 3.0, for preventative maintenance. Now i have multiple misfires in cyl 1,3, and 5. My timing is dead on. I checked and rechecked it several times. And i have the timing kit for ...
October 10, 2011
2004 Mazda RX-8 1.3L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: JM1FE17324
P0301: Front Rotor Misfire Detected. i have a rx8 that came in not running. put a new set of plugs in got it running, but only on number 2 rotor is firing. checked spark on number 1 rotor no spark either coil, any suggestions or common issues with ecm, wiring, etc? thanks
October 11, 2011
2003 Saturn Vue 3.0L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 5GZCZ53B53
P0301: Cylinder 1 Misfire Detected. Hello fellow techs. I need your assistance! i put a timing belt on this saturn vue 3.0, for preventative maintenance. Now i have multiple misfires in cyl 1,3, and 5. My timing is dead on. I checked and rechecked it several times. And i have the timing kit for ...
October 11, 2011
2003 Dodge Dakota 3.9L Hesitation, Misfire, MIL Lamp on VIN: 1D7FL16X23
P0301: Cylinder 1 Misfire Detected. This is a nice one. truck came in with cyl 1 and 2 misfire checked compression and tune up left in good condition. three days later truck came back with backfire and running lean. in open loop truck was running rick -25% ltft backfired. After closed loop truck...
October 12, 2011
2003 Honda Accord EX 2.4L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: 1HGCM56643
P0301: Cylinder 1 Misfire Detected. we had a honda towed in for a no start.. scanned it for codes and got the listed codes. i erased the codes and got the car to start but it runs really bad and will only stay running if you leave your foot on the gas. by the time i got it in the shop it had res...
October 12, 2011
2003 Volkswagen Passat GLS 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVWMD63823
P0301: misfire 1. Customer brought car in with complaint of running poorly, almost shutting off and flashing check engine light. I pulled the codes and with the 0171 and misfires on all cylinders, I sort of ruled out one or two bad coils. It also had code 0507 but there wasn't...
October 17, 2011
2001 Mitsubishi Galant ES 2.4L Misfire VIN: 4A3AA46GX1
P0301: Cylinder 1 Misfire Detected. ... an intermittent misfire did plugs, wires, coil still missed. swapped out the coils still missed. tested wires to injector good all the way to pcm. grounds are all ok. did bg fuel injection cleaning and air intake system clean. checked the waveform of volta...
October 19, 2011
1998 Audi A6 Quattro 2.8L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: WAUBA24BXW
P0301: Cyl 1 misfire. OK this one I'm uncertain of. This Audi has a Cyl 1-3 misfire and a shorted cam sensor code. I ran a compression test on the vehicle and was surprised to find cyl 1-3 had less than 10 psi and cyl 4-6 had over 140. I was curious if anyone knows if a bad cam sen...
October 25, 2011
1994 Lexus ES300 3.0L Excessive Emissions, Misfire VIN: JT8GK13TXR
P0301: cyl. 1 misfire. to the best group of people in the field(kissin up never hurts), i have a 94 lexus es300 from another shop here that has intermittant misfire on cyls. 1 3 5, according to modis. Havent been able to duplicate problem. the other guys replaced plugs with autolite...
October 27, 2011
1999 Volvo V70 R AWD 2.3L Cuts out, Stall, Misfire, MIL Lamp on VIN: YV1LV62D9X
P0301: 1 cyl missfire. car came in a month ago for scheduled maint. @ that time check eng lamp was burnt out. Only code was "check eng lamp circuit". After replacing the lamp went on 10 mile road test to verify all monitors had run & no codes. Car is back now w/ check e...
October 27, 2011
2004 Land Rover Discovery SE 4.6L Misfire VIN: SALTY19444
P0301: misfirecyl.1. Hello Group, I am pretty certain that I have a bad coil pack on this one.Misfires on cylinders 1 and 6. I am trying to scope the ignition secondary.This v-8 has 2 coil packs.I have the scope set on distrubutorless ignition,secondary.The hookup is simple.One ...
October 28, 2011