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P0301 Diagnostic Trouble Code Discussion for July 2011

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
1997 Eagle Talon 2.0L MIL Lamp on VIN: 4E3AK24Y8V
P0301: Cylinder 1 Misfire Detected. Hello, sorry but this one may be lacking in some information but to be honest there is not a lot I have done due to the fact that this car has no plates on it, it is here from another shop looking for help on it. The vehicle runs fine every time we run it, and...
July 13, 2011
2001 Toyota Celica GT 1.8L Hesitation, Stall, Misfire, MIL Lamp on VIN: JTDDR32T21
P0301: Cylinder 1 Misfire Detected. This car is killing us! Runs lean, has no power, runs like clogged exhaust. Backpressure is nill, vacuum seems a little lower, but not crazy. 18" and steady. Car has a new MAF, same results. NEW fuel injectors...same results. NEW O2 sensor, SAME. LTFT is +...
July 15, 2011
2001 Toyota Celica GT 1.8L Hesitation, Stall, Misfire, MIL Lamp on VIN: JTDDR32T21
P0301: Cylinder 1 Misfire Detected. This car is killing us! Runs lean, has no power, runs like clogged exhaust. Backpressure is nill, vacuum seems a little lower, but not crazy. 18" and steady. Car has a new MAF, same results. NEW fuel injectors...same results. NEW O2 sensor, SAME. LTFT is +...
July 17, 2011
1999 BMW 323i 2.5L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WBAAM3338X
Hello all, I need some help on my wifes car.I just bought this thing,it will run fine until check engine light comes on.Missfire codes and lean codes.I replaced the vent valve and hoses as usual problem areas\.Also replaced the plugs and coils while doing the ...
July 19, 2011
2001 Volkswagen Beetle GLS 2.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3VWCB21C21
P0301: Cyl. 1 misfire. Car came into the shop this morning with a hesitation when wet, sprayed the wires with water and found the #1 wire was arcing. After replacement the VW would surge and hesitate at any time, removed coil pack and found hairline cracks in the case. After road te...
July 19, 2011
2001 Volkswagen Beetle GLS 2.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3VWCB21C21
P0301: Cyl. 1 misfire. Car came into the shop this morning with a hesitation when wet, sprayed the wires with water and found the #1 wire was arcing. After replacement the VW would surge and hesitate at any time, removed coil pack and found hairline cracks in the case. After road te...
July 20, 2011
1999 Toyota Sienna LE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire VIN: 4T3ZF13C8X
P0301: Cylinder 1 Misfire Detected. we have checked and replaced coils injectors igniter crank and cam shaft sensors
July 21, 2011
2004 Ford Taurus SES 3.0L Poor Idle Quality, Stall, knock, rattle VIN: 1FAHP56SSX
P0301: misfire cyl1. RECECKED CODES FOUND P0351 COIL A PRI/SEC CIRCUIT FAULT .Pulled plentum to ckeck spark on cyl(1)&cyl(5),Checked compression 150psi on all cyl. Reinstalled plugs and coils . Started up valve rattle and knocking ,stalled . restarted with vac gauge when valve...
July 23, 2011
2004 Ford Taurus SES 3.0L Poor Idle Quality, Stall, knock, rattle VIN: 1FAHP56SSX
P0301: misfire cyl1. RECECKED CODES FOUND P0351 COIL A PRI/SEC CIRCUIT FAULT .Pulled plentum to ckeck spark on cyl(1)&cyl(5),Checked compression 150psi on all cyl. Reinstalled plugs and coils . Started up valve rattle and knocking ,stalled . restarted with vac gauge when valve...
July 24, 2011
2003 Toyota Corolla CE 1.8L Poor Idle Quality VIN: 1NXBR43E23
P0301: Cylinder 1 Misfire Detected. hey whats up guys im having trouble with this toyota, the car came in with all these codes, i decided to check fuel system , had a bad fuel pump. check it with scope bad waveform, but the car still runs really bad on idle , [...] at 0volts both all the time , ...
July 26, 2011
2003 Saturn Vue 3.0L Misfire VIN: 5GZCZ63B73
P0301: Cylinder 1 Misfire Detected. Customer came in with vehicle that had codes. Po300 random misfire,[...] #1 misfire,po421 cat eff. low bank 1,p2b03 which I cannot find any info on.I monitored bank 1 o2 sensors and rear o2 mimicing front so I assume cat is faulty.I checked spark plugs and wer...
July 27, 2011
2000 Volkswagen Passat GLS 2.8L Hesitation VIN: WVWMD23B3Y
P0301: cylinder 1 misfire. I have this 2000 VW Passat that misses when cold. (check engine light flashes, misfire 1 and 4 cylinders) Once at operating temerature it runs great. I can clear the check engine light and and it will not return until cold again. I have checked compression (13...
July 27, 2011
2003 Saturn Vue 3.0L Misfire VIN: 5GZCZ63B73
P0301: Cylinder 1 Misfire Detected. Customer came in with vehicle that had codes. Po300 random misfire,[...] #1 misfire,po421 cat eff. low bank 1,p2b03 which I cannot find any info on.I monitored bank 1 o2 sensors and rear o2 mimicing front so I assume cat is faulty.I checked spark plugs and wer...
July 28, 2011
2000 Volkswagen Passat GLS 2.8L Hesitation VIN: WVWMD23B3Y
P0301: cylinder 1 misfire. I have this 2000 VW Passat that misses when cold. (check engine light flashes, misfire 1 and 4 cylinders) Once at operating temerature it runs great. I can clear the check engine light and and it will not return until cold again. I have checked compression (13...
July 29, 2011
1997 Eagle Talon 2.0L MIL Lamp on VIN: 4E3AK24Y8V
P0301: Cylinder 1 Misfire Detected. Hello, sorry but this one may be lacking in some information but to be honest there is not a lot I have done due to the fact that this car has no plates on it, it is here from another shop looking for help on it. The vehicle runs fine every time we run it, and...
July 13, 2011
2001 Toyota Celica GT 1.8L Hesitation, Stall, Misfire, MIL Lamp on VIN: JTDDR32T21
P0301: Cylinder 1 Misfire Detected. This car is killing us! Runs lean, has no power, runs like clogged exhaust. Backpressure is nill, vacuum seems a little lower, but not crazy. 18" and steady. Car has a new MAF, same results. NEW fuel injectors...same results. NEW O2 sensor, SAME. LTFT is +...
July 15, 2011
2001 Toyota Celica GT 1.8L Hesitation, Stall, Misfire, MIL Lamp on VIN: JTDDR32T21
P0301: Cylinder 1 Misfire Detected. This car is killing us! Runs lean, has no power, runs like clogged exhaust. Backpressure is nill, vacuum seems a little lower, but not crazy. 18" and steady. Car has a new MAF, same results. NEW fuel injectors...same results. NEW O2 sensor, SAME. LTFT is +...
July 17, 2011
1999 BMW 323i 2.5L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: WBAAM3338X
Hello all, I need some help on my wifes car.I just bought this thing,it will run fine until check engine light comes on.Missfire codes and lean codes.I replaced the vent valve and hoses as usual problem areas\.Also replaced the plugs and coils while doing the ...
July 19, 2011
2001 Volkswagen Beetle GLS 2.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3VWCB21C21
P0301: Cyl. 1 misfire. Car came into the shop this morning with a hesitation when wet, sprayed the wires with water and found the #1 wire was arcing. After replacement the VW would surge and hesitate at any time, removed coil pack and found hairline cracks in the case. After road te...
July 19, 2011
2001 Volkswagen Beetle GLS 2.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3VWCB21C21
P0301: Cyl. 1 misfire. Car came into the shop this morning with a hesitation when wet, sprayed the wires with water and found the #1 wire was arcing. After replacement the VW would surge and hesitate at any time, removed coil pack and found hairline cracks in the case. After road te...
July 20, 2011
1999 Toyota Sienna LE 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire VIN: 4T3ZF13C8X
P0301: Cylinder 1 Misfire Detected. we have checked and replaced coils injectors igniter crank and cam shaft sensors
July 21, 2011
2004 Ford Taurus SES 3.0L Poor Idle Quality, Stall, knock, rattle VIN: 1FAHP56SSX
P0301: misfire cyl1. RECECKED CODES FOUND P0351 COIL A PRI/SEC CIRCUIT FAULT .Pulled plentum to ckeck spark on cyl(1)&cyl(5),Checked compression 150psi on all cyl. Reinstalled plugs and coils . Started up valve rattle and knocking ,stalled . restarted with vac gauge when valve...
July 23, 2011
2004 Ford Taurus SES 3.0L Poor Idle Quality, Stall, knock, rattle VIN: 1FAHP56SSX
P0301: misfire cyl1. RECECKED CODES FOUND P0351 COIL A PRI/SEC CIRCUIT FAULT .Pulled plentum to ckeck spark on cyl(1)&cyl(5),Checked compression 150psi on all cyl. Reinstalled plugs and coils . Started up valve rattle and knocking ,stalled . restarted with vac gauge when valve...
July 24, 2011
2003 Toyota Corolla CE 1.8L Poor Idle Quality VIN: 1NXBR43E23
P0301: Cylinder 1 Misfire Detected. hey whats up guys im having trouble with this toyota, the car came in with all these codes, i decided to check fuel system , had a bad fuel pump. check it with scope bad waveform, but the car still runs really bad on idle , [...] at 0volts both all the time , ...
July 26, 2011
2003 Saturn Vue 3.0L Misfire VIN: 5GZCZ63B73
P0301: Cylinder 1 Misfire Detected. Customer came in with vehicle that had codes. Po300 random misfire,[...] #1 misfire,po421 cat eff. low bank 1,p2b03 which I cannot find any info on.I monitored bank 1 o2 sensors and rear o2 mimicing front so I assume cat is faulty.I checked spark plugs and wer...
July 27, 2011
2000 Volkswagen Passat GLS 2.8L Hesitation VIN: WVWMD23B3Y
P0301: cylinder 1 misfire. I have this 2000 VW Passat that misses when cold. (check engine light flashes, misfire 1 and 4 cylinders) Once at operating temerature it runs great. I can clear the check engine light and and it will not return until cold again. I have checked compression (13...
July 27, 2011
2003 Saturn Vue 3.0L Misfire VIN: 5GZCZ63B73
P0301: Cylinder 1 Misfire Detected. Customer came in with vehicle that had codes. Po300 random misfire,[...] #1 misfire,po421 cat eff. low bank 1,p2b03 which I cannot find any info on.I monitored bank 1 o2 sensors and rear o2 mimicing front so I assume cat is faulty.I checked spark plugs and wer...
July 28, 2011
2000 Volkswagen Passat GLS 2.8L Hesitation VIN: WVWMD23B3Y
P0301: cylinder 1 misfire. I have this 2000 VW Passat that misses when cold. (check engine light flashes, misfire 1 and 4 cylinders) Once at operating temerature it runs great. I can clear the check engine light and and it will not return until cold again. I have checked compression (13...
July 29, 2011