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P0301 Diagnostic Trouble Code Discussion for January 2014

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2006 Kia Optima LX 2.4L Misfire, MIL Lamp on VIN: KNAGE123X6
P0301: Cylinder 1 Misfire Detected. Hello everyone and thanks for taking the time to look at this. Got a very strange one here. We got this vehicle at 133000 miles with a rod knock, very minor. Removed and rebuilt engine. Installed engine and everything was perfect. Vehicle ran great, no check e...
January 08, 2014
2007 Mercedes-Benz C230 Sport 2.5L Excessive Emissions, Misfire VIN: WDBRF52H97
P0301: Misfire 1. Customer first came in with an issue relating to cold starting. The vehicle would have a hard time starting. It would run very rich once it did start. Once the car warms ups it seems to run fine. I initially looked at fuel pressure and found this to be ok arou...
January 09, 2014
2006 Kia Optima LX 2.4L Misfire, MIL Lamp on VIN: KNAGE123X6
P0301: Cylinder 1 Misfire Detected. Hello everyone and thanks for taking the time to look at this. Got a very strange one here. We got this vehicle at 133000 miles with a rod knock, very minor. Removed and rebuilt engine. Installed engine and everything was perfect. Vehicle ran great, no check e...
January 12, 2014
2007 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTSX20537
P0301: Cylinder 1 Misfire Detected. Need some help gentlemen, we are working on this f250 and it is giving us a lot of grief. Truck originally came in running rough, misfiring, and would ocasionally stall, there was also an obvious rattling noise from the front of the motor inside the timing cov...
January 14, 2014
2001 Jeep Cherokee Classic 4.0L Poor Idle Quality, Misfire VIN: 1J4FF58S71
P0301: Cylinder 1 Misfire Detected. Hello to all and Thanks for your help.This Jeep came in with a over heating prob.Ran test and found cracked cylinder head customer would not buy a long block at the time so sold a reman ATK cylinder head. After cylinder head replacment # 2 cylinder was down 30...
January 14, 2014
2000 Nissan Quest GLE 3.3L Misfire VIN: 4N2XN11T2Y
P0301: Cylinder 1 Misfire Detected. ... and it had a dead cylinder. I scanned it and it had miss fire on cylinder 1 plus the P0325 code. I ignored the knock sensor code and saw that the cap was burned out. I replaced the cap rotor and wires and it ran fine. I gave it back to him and ten minutes ...
January 15, 2014
2005 Audi S4 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WUARL48HX5
P0301: Cylinder 1 misfire. Car came in on wrecker for no start. Checked and found bad fuel pump. Installed new pump and filter. Car started right up. Was missing terribly with check engine light on.Scanned and retrieved misfire faults.Checked spark plugs and coils , were good. Customer ...
January 16, 2014
2000 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG2252Y
P0301: Cylinder 1 Misfire Detected. The MIL is flashing during idle and cruise. There's also a code P0306, but there wasn't room to list all the codes in the entry form for this help request. All cylinders have good compression, but spark plugs look partly sooty, as if sometimes they are gas fou...
January 24, 2014
2008 Subaru Impreza 2.5i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: JF1GH61698
Really stumped on this one. Vehicle idles very poor and will die at idle in gear. After stalling it hard starts and will not fire unless the throttle is held down. Here's a list of what I've checked so far: -MAF - tried swaping a new one in with the same resu...
January 24, 2014
2000 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG2252Y
P0301: Cylinder 1 Misfire Detected. The MIL is flashing during idle and cruise. There's also a code P0306, but there wasn't room to list all the codes in the entry form for this help request. All cylinders have good compression, but spark plugs look partly sooty, as if sometimes they are gas fou...
January 26, 2014
2000 Honda Accord LX 3.0L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG1641Y
P0301: Cylinder 1 Misfire Detected. This Accord will not start hot after a hot soak. The Main relay has been removed and inspected on the circuit board. The ignition system hasn't been checked past the fact that we have good spark when the problem is there. When we cracked the fuel line we get v...
January 27, 2014
2006 Volkswagen Touareg 3.2L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: WVGZG77L66
P0301: Cyl 1 mis. Vehicle was drove in and dropped off for poor running, stall and mil on. Notice "related repair history". Vehicle would not start when brought in. Suspected fouled plugs. Have experience with vw and have the VCDS for them. But do not have much experien...
January 30, 2014
2006 Kia Optima LX 2.4L Misfire, MIL Lamp on VIN: KNAGE123X6
P0301: Cylinder 1 Misfire Detected. Hello everyone and thanks for taking the time to look at this. Got a very strange one here. We got this vehicle at 133000 miles with a rod knock, very minor. Removed and rebuilt engine. Installed engine and everything was perfect. Vehicle ran great, no check e...
January 08, 2014
2007 Mercedes-Benz C230 Sport 2.5L Excessive Emissions, Misfire VIN: WDBRF52H97
P0301: Misfire 1. Customer first came in with an issue relating to cold starting. The vehicle would have a hard time starting. It would run very rich once it did start. Once the car warms ups it seems to run fine. I initially looked at fuel pressure and found this to be ok arou...
January 09, 2014
2006 Kia Optima LX 2.4L Misfire, MIL Lamp on VIN: KNAGE123X6
P0301: Cylinder 1 Misfire Detected. Hello everyone and thanks for taking the time to look at this. Got a very strange one here. We got this vehicle at 133000 miles with a rod knock, very minor. Removed and rebuilt engine. Installed engine and everything was perfect. Vehicle ran great, no check e...
January 12, 2014
2007 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTSX20537
P0301: Cylinder 1 Misfire Detected. Need some help gentlemen, we are working on this f250 and it is giving us a lot of grief. Truck originally came in running rough, misfiring, and would ocasionally stall, there was also an obvious rattling noise from the front of the motor inside the timing cov...
January 14, 2014
2001 Jeep Cherokee Classic 4.0L Poor Idle Quality, Misfire VIN: 1J4FF58S71
P0301: Cylinder 1 Misfire Detected. Hello to all and Thanks for your help.This Jeep came in with a over heating prob.Ran test and found cracked cylinder head customer would not buy a long block at the time so sold a reman ATK cylinder head. After cylinder head replacment # 2 cylinder was down 30...
January 14, 2014
2000 Nissan Quest GLE 3.3L Misfire VIN: 4N2XN11T2Y
P0301: Cylinder 1 Misfire Detected. ... and it had a dead cylinder. I scanned it and it had miss fire on cylinder 1 plus the P0325 code. I ignored the knock sensor code and saw that the cap was burned out. I replaced the cap rotor and wires and it ran fine. I gave it back to him and ten minutes ...
January 15, 2014
2005 Audi S4 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WUARL48HX5
P0301: Cylinder 1 misfire. Car came in on wrecker for no start. Checked and found bad fuel pump. Installed new pump and filter. Car started right up. Was missing terribly with check engine light on.Scanned and retrieved misfire faults.Checked spark plugs and coils , were good. Customer ...
January 16, 2014
2000 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG2252Y
P0301: Cylinder 1 Misfire Detected. The MIL is flashing during idle and cruise. There's also a code P0306, but there wasn't room to list all the codes in the entry form for this help request. All cylinders have good compression, but spark plugs look partly sooty, as if sometimes they are gas fou...
January 24, 2014
2008 Subaru Impreza 2.5i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: JF1GH61698
Really stumped on this one. Vehicle idles very poor and will die at idle in gear. After stalling it hard starts and will not fire unless the throttle is held down. Here's a list of what I've checked so far: -MAF - tried swaping a new one in with the same resu...
January 24, 2014
2000 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG2252Y
P0301: Cylinder 1 Misfire Detected. The MIL is flashing during idle and cruise. There's also a code P0306, but there wasn't room to list all the codes in the entry form for this help request. All cylinders have good compression, but spark plugs look partly sooty, as if sometimes they are gas fou...
January 26, 2014
2000 Honda Accord LX 3.0L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG1641Y
P0301: Cylinder 1 Misfire Detected. This Accord will not start hot after a hot soak. The Main relay has been removed and inspected on the circuit board. The ignition system hasn't been checked past the fact that we have good spark when the problem is there. When we cracked the fuel line we get v...
January 27, 2014
2006 Volkswagen Touareg 3.2L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: WVGZG77L66
P0301: Cyl 1 mis. Vehicle was drove in and dropped off for poor running, stall and mil on. Notice "related repair history". Vehicle would not start when brought in. Suspected fouled plugs. Have experience with vw and have the VCDS for them. But do not have much experien...
January 30, 2014
2006 Kia Optima LX 2.4L Misfire, MIL Lamp on VIN: KNAGE123X6
P0301: Cylinder 1 Misfire Detected. Hello everyone and thanks for taking the time to look at this. Got a very strange one here. We got this vehicle at 133000 miles with a rod knock, very minor. Removed and rebuilt engine. Installed engine and everything was perfect. Vehicle ran great, no check e...
January 08, 2014
2007 Mercedes-Benz C230 Sport 2.5L Excessive Emissions, Misfire VIN: WDBRF52H97
P0301: Misfire 1. Customer first came in with an issue relating to cold starting. The vehicle would have a hard time starting. It would run very rich once it did start. Once the car warms ups it seems to run fine. I initially looked at fuel pressure and found this to be ok arou...
January 09, 2014
2006 Kia Optima LX 2.4L Misfire, MIL Lamp on VIN: KNAGE123X6
P0301: Cylinder 1 Misfire Detected. Hello everyone and thanks for taking the time to look at this. Got a very strange one here. We got this vehicle at 133000 miles with a rod knock, very minor. Removed and rebuilt engine. Installed engine and everything was perfect. Vehicle ran great, no check e...
January 12, 2014
2007 Ford F-250 Super Duty XLT 5.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTSX20537
P0301: Cylinder 1 Misfire Detected. Need some help gentlemen, we are working on this f250 and it is giving us a lot of grief. Truck originally came in running rough, misfiring, and would ocasionally stall, there was also an obvious rattling noise from the front of the motor inside the timing cov...
January 14, 2014
2001 Jeep Cherokee Classic 4.0L Poor Idle Quality, Misfire VIN: 1J4FF58S71
P0301: Cylinder 1 Misfire Detected. Hello to all and Thanks for your help.This Jeep came in with a over heating prob.Ran test and found cracked cylinder head customer would not buy a long block at the time so sold a reman ATK cylinder head. After cylinder head replacment # 2 cylinder was down 30...
January 14, 2014
2000 Nissan Quest GLE 3.3L Misfire VIN: 4N2XN11T2Y
P0301: Cylinder 1 Misfire Detected. ... and it had a dead cylinder. I scanned it and it had miss fire on cylinder 1 plus the P0325 code. I ignored the knock sensor code and saw that the cap was burned out. I replaced the cap rotor and wires and it ran fine. I gave it back to him and ten minutes ...
January 15, 2014
2005 Audi S4 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WUARL48HX5
P0301: Cylinder 1 misfire. Car came in on wrecker for no start. Checked and found bad fuel pump. Installed new pump and filter. Car started right up. Was missing terribly with check engine light on.Scanned and retrieved misfire faults.Checked spark plugs and coils , were good. Customer ...
January 16, 2014
2000 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG2252Y
P0301: Cylinder 1 Misfire Detected. The MIL is flashing during idle and cruise. There's also a code P0306, but there wasn't room to list all the codes in the entry form for this help request. All cylinders have good compression, but spark plugs look partly sooty, as if sometimes they are gas fou...
January 24, 2014
2008 Subaru Impreza 2.5i 2.5L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: JF1GH61698
Really stumped on this one. Vehicle idles very poor and will die at idle in gear. After stalling it hard starts and will not fire unless the throttle is held down. Here's a list of what I've checked so far: -MAF - tried swaping a new one in with the same resu...
January 24, 2014
2000 Honda Accord EX 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG2252Y
P0301: Cylinder 1 Misfire Detected. The MIL is flashing during idle and cruise. There's also a code P0306, but there wasn't room to list all the codes in the entry form for this help request. All cylinders have good compression, but spark plugs look partly sooty, as if sometimes they are gas fou...
January 26, 2014
2000 Honda Accord LX 3.0L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1HGCG1641Y
P0301: Cylinder 1 Misfire Detected. This Accord will not start hot after a hot soak. The Main relay has been removed and inspected on the circuit board. The ignition system hasn't been checked past the fact that we have good spark when the problem is there. When we cracked the fuel line we get v...
January 27, 2014
2006 Volkswagen Touareg 3.2L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: WVGZG77L66
P0301: Cyl 1 mis. Vehicle was drove in and dropped off for poor running, stall and mil on. Notice "related repair history". Vehicle would not start when brought in. Suspected fouled plugs. Have experience with vw and have the VCDS for them. But do not have much experien...
January 30, 2014