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P0301 Diagnostic Trouble Code Discussion for August 2011

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2003 Jaguar X-Type 2.5L Hesitation VIN: SAJEA51D43
P0301: Cylinder 1 Misfire. When driving "Cruise unavailable" warning comes on and vehicle loses acceleration. Then it will come back and vehicle will buck and jerk. Have checked the codes, re-set. Checked for intake leaks, none. Replaced fuel, etc... Have checked connections and...
August 10, 2011
1999 Mercedes-Benz E320 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WDBJF65H5X
Hey guys, got a tough one here. The vehicle is a W210 1999 M-B E320. Car has approx. 150k miles on it. Cats were replaced as typical approx 2 years ago with new O2s. Last month the owner complained that vehicle stalled on her. Since the M112 CKP is notoriousl...
August 11, 2011
2003 Nissan Frontier 2.4L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1N6DD26T93
P0301: Cylinder 1 Misfire Detected. Failure Mode is intermitent Only after heavy accelaration or heavy load the MIL starts Flashing, afterthat poor idle quality is observed.
August 12, 2011
2003 Toyota Corolla CE 1.8L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JTDBR32E23
P0301: Cylinder 1 Misfire Detected. car came in with p0301 and p0171. scanned and found map sensor only going to 65 under full throttle, customer changed map. Three days later back with same problem. Map test good upstream o2 stuck high and sluggish. Customer replaced o2. Three days later back w...
August 17, 2011
2001 Chrysler 300M 3.5L Excessive Emissions, Misfire, MIL Lamp on VIN: 2C3HE66G41
P0301: Cylinder 1 Misfire Detected. We have this Chrysler that originaly came in with a misfire and smoking out of the tailpipe. Upon checking we found that the misfire was isolated to cylinder #1. The plug was obviously fuel fouled but okay otherwise. We found that the computer was constantly g...
August 19, 2011
2008 Ford F-450 Super Duty XL 6.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FDXX47Y8E
Has rough idle like misfire, sometime wil set check engine light on. Black smoke sometimes and no power. Code p0171,p0300,p3316 keeps coming back.
August 19, 2011
2008 Ford F-450 Super Duty XL 6.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FDXX47Y8E
Has rough idle like misfire, sometime wil set check engine light on. Black smoke sometimes and no power. Code p0171,p0300,p3316 keeps coming back.
August 22, 2011
1999 Honda Accord EX 2.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1HGCG5652X
P0301: Cylinder 1 Misfire Detected. ... customer complaint of misfiring. Pulled codes p0301,p0325 and p1259. First we checked the knock sensor and it was damaged so we replaced it. Knock sensor code fixed. Second we replaced the vtech sol assembly and cleaned out the passages. Fourth we inspecte...
August 22, 2011
2001 Toyota Corolla CE 1.8L Excessive Emissions, Cuts out VIN: 1NXBR12E41
P0301: Cylinder 1 Misfire Detected. Vehicle hesitates at low rpm's/speeds but does not missfire. Initial scan had multiple missfire codes, O2 lean codes. Found coil mounting screws for cyl,s 1&2 stripped and coils popping up and not making good contact with plugs. Repaired threads for coil m...
August 24, 2011
2001 Dodge Dakota 3.9L Poor Idle Quality, Misfire VIN: 1B7GL22X01
P0301: Cylinder 1 Misfire Detected. Well, I'm hoping for some good advice here. I'm working on a 2001 dodge dakota 3.9 with a customer complaint of "intermittent no power" and "rough idle". I took the vehicle for a ride and felt the concern. I scanned the vehicle and found no his...
August 25, 2011
2001 Toyota Corolla CE 1.8L Excessive Emissions, Cuts out VIN: 1NXBR12E41
P0301: Cylinder 1 Misfire Detected. Vehicle hesitates at low rpm's/speeds but does not missfire. Initial scan had multiple missfire codes, O2 lean codes. Found coil mounting screws for cyl,s 1&2 stripped and coils popping up and not making good contact with plugs. Repaired threads for coil m...
August 26, 2011
1997 Volvo 960 2.9L Misfire, MIL Lamp on VIN: YV1KS9603V
P0301: Cylinder 1 misfire. I have a 1997 960 with multiple cylinder misfires. It ran horribly when it came in. CEL on and flashing. I could move the miss from cylnder 5 or 6 to cylinder 3 or 4 by switching coils. Changed all 6 coils and replaced connectors (badly corroded) with OE Volvo...
August 29, 2011
1999 Honda Accord EX 2.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1HGCG5652X
P0301: Cylinder 1 Misfire Detected. ... customer complaint of misfiring. Pulled codes p0301,p0325 and p1259. First we checked the knock sensor and it was damaged so we replaced it. Knock sensor code fixed. Second we replaced the vtech sol assembly and cleaned out the passages. Fourth we inspecte...
August 31, 2011
2003 Jaguar X-Type 2.5L Hesitation VIN: SAJEA51D43
P0301: Cylinder 1 Misfire. When driving "Cruise unavailable" warning comes on and vehicle loses acceleration. Then it will come back and vehicle will buck and jerk. Have checked the codes, re-set. Checked for intake leaks, none. Replaced fuel, etc... Have checked connections and...
August 10, 2011
1999 Mercedes-Benz E320 3.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: WDBJF65H5X
Hey guys, got a tough one here. The vehicle is a W210 1999 M-B E320. Car has approx. 150k miles on it. Cats were replaced as typical approx 2 years ago with new O2s. Last month the owner complained that vehicle stalled on her. Since the M112 CKP is notoriousl...
August 11, 2011
2003 Nissan Frontier 2.4L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1N6DD26T93
P0301: Cylinder 1 Misfire Detected. Failure Mode is intermitent Only after heavy accelaration or heavy load the MIL starts Flashing, afterthat poor idle quality is observed.
August 12, 2011
2003 Toyota Corolla CE 1.8L Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JTDBR32E23
P0301: Cylinder 1 Misfire Detected. car came in with p0301 and p0171. scanned and found map sensor only going to 65 under full throttle, customer changed map. Three days later back with same problem. Map test good upstream o2 stuck high and sluggish. Customer replaced o2. Three days later back w...
August 17, 2011
2001 Chrysler 300M 3.5L Excessive Emissions, Misfire, MIL Lamp on VIN: 2C3HE66G41
P0301: Cylinder 1 Misfire Detected. We have this Chrysler that originaly came in with a misfire and smoking out of the tailpipe. Upon checking we found that the misfire was isolated to cylinder #1. The plug was obviously fuel fouled but okay otherwise. We found that the computer was constantly g...
August 19, 2011
2008 Ford F-450 Super Duty XL 6.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FDXX47Y8E
Has rough idle like misfire, sometime wil set check engine light on. Black smoke sometimes and no power. Code p0171,p0300,p3316 keeps coming back.
August 19, 2011
2008 Ford F-450 Super Duty XL 6.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FDXX47Y8E
Has rough idle like misfire, sometime wil set check engine light on. Black smoke sometimes and no power. Code p0171,p0300,p3316 keeps coming back.
August 22, 2011
1999 Honda Accord EX 2.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1HGCG5652X
P0301: Cylinder 1 Misfire Detected. ... customer complaint of misfiring. Pulled codes p0301,p0325 and p1259. First we checked the knock sensor and it was damaged so we replaced it. Knock sensor code fixed. Second we replaced the vtech sol assembly and cleaned out the passages. Fourth we inspecte...
August 22, 2011
2001 Toyota Corolla CE 1.8L Excessive Emissions, Cuts out VIN: 1NXBR12E41
P0301: Cylinder 1 Misfire Detected. Vehicle hesitates at low rpm's/speeds but does not missfire. Initial scan had multiple missfire codes, O2 lean codes. Found coil mounting screws for cyl,s 1&2 stripped and coils popping up and not making good contact with plugs. Repaired threads for coil m...
August 24, 2011
2001 Dodge Dakota 3.9L Poor Idle Quality, Misfire VIN: 1B7GL22X01
P0301: Cylinder 1 Misfire Detected. Well, I'm hoping for some good advice here. I'm working on a 2001 dodge dakota 3.9 with a customer complaint of "intermittent no power" and "rough idle". I took the vehicle for a ride and felt the concern. I scanned the vehicle and found no his...
August 25, 2011
2001 Toyota Corolla CE 1.8L Excessive Emissions, Cuts out VIN: 1NXBR12E41
P0301: Cylinder 1 Misfire Detected. Vehicle hesitates at low rpm's/speeds but does not missfire. Initial scan had multiple missfire codes, O2 lean codes. Found coil mounting screws for cyl,s 1&2 stripped and coils popping up and not making good contact with plugs. Repaired threads for coil m...
August 26, 2011
1997 Volvo 960 2.9L Misfire, MIL Lamp on VIN: YV1KS9603V
P0301: Cylinder 1 misfire. I have a 1997 960 with multiple cylinder misfires. It ran horribly when it came in. CEL on and flashing. I could move the miss from cylnder 5 or 6 to cylinder 3 or 4 by switching coils. Changed all 6 coils and replaced connectors (badly corroded) with OE Volvo...
August 29, 2011
1999 Honda Accord EX 2.3L Hesitation, Surge, Misfire, MIL Lamp on VIN: 1HGCG5652X
P0301: Cylinder 1 Misfire Detected. ... customer complaint of misfiring. Pulled codes p0301,p0325 and p1259. First we checked the knock sensor and it was damaged so we replaced it. Knock sensor code fixed. Second we replaced the vtech sol assembly and cleaned out the passages. Fourth we inspecte...
August 31, 2011