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P0301 Diagnostic Trouble Code Discussion for September 2008

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2002 Toyota Tacoma DLX 3.4L Misfire, MIL Lamp on VIN: 5TEWN72N72
P0301: Cylinder 1 Misfire Detected. Hi there I have this Tacoma that is being quite difficult. It has had this concern with setting cylinder #1 misfire codes for about 2 years now. The local Toyota dealer had it first and they sold him a full tune-up with plugs wires and injector cleaning. Pro...
September 13, 2008
1997 Honda Accord EX 2.2L Cuts out, Misfire, MIL Lamp on VIN: 1HGCD5667V
P0301: Cylinder 1 Misfire Detected. the car runs good "while driving" four 20 minutes then will not go past 4200 rpm. in any gear and sets misfire code even though you do not feel misfire. have cleaned egr, checked for restricted exhaust, fuel pressure and volume are good, replaced dist....
September 15, 2008
2003 Kia Rio Cinco 1.6L Poor Idle Quality, MIL Lamp on VIN: KNADC16533
P0301: Cylinder 1 Misfire Detected. Good day people. I have this KIA Rio that idles very rough. MIL will come on and transmission will not down shift into passing gear when throttle pedal floored. When vehicle came in first time had codes for MAF sensor and system too lean. No reading out of MAF...
September 18, 2008
2000 Ford F-150 XL 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTZF1728Y
P0301: Misfire Cylinder 1. Customer started it up in the morning - ran fine to work and then just coming from work problem occurred(Misfiring; rough running; low power) so he drove it to my shop from there. I scanned it with a Snap-On MT2500 - Had Random cylinder misfires and all but nu...
September 19, 2008
2003 Kia Rio Cinco 1.6L Poor Idle Quality, MIL Lamp on VIN: KNADC16533
P0301: Cylinder 1 Misfire Detected. Good day people. I have this KIA Rio that idles very rough. MIL will come on and transmission will not down shift into passing gear when throttle pedal floored. When vehicle came in first time had codes for MAF sensor and system too lean. No reading out of MAF...
September 19, 2008
1999 Subaru Legacy Limited 30th Anniversary 2.5L Misfire VIN: 4S3BG6859X
P0301: Cylinder 1 Misfire Detected. vehicle came from another shop for a check engine light code PO302 that tech replaced fuel filter plugs and wires and the light came back on 2 days later and the same tech did a HC reading of 18 ppm from the radiator and suggested that both head gaskets are ba...
September 19, 2008
2003 Mitsubishi Montero Sport XLS 3.5L Misfire, MIL Lamp on VIN: JA4MT31R33
P0301: Cylinder 1 Misfire Detected. ... driving. Mil comes on and code P0301 stores. Engine misfires also. I have swapped plug wire, coil, and injector. I installed a new iridium spark plug in #1 cylinder also. Test driving shows same misfire and Mil. Compression is 150 psi. What am I missing?
September 24, 2008
2001 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, MIL Lamp on VIN: 1J4GX48S51
P0301: Cylinder 1 Misfire Detected. howdy folks, i have one i can't shake. 01 jeep cherokee 4.0 a/t. fuel pressure was at 65 psi, changed regulator and now at 50 psi as spec. engine repeatedly trips po300,301,302,303 at idle. engine runs perfect above idle, perfect fuel trim, perfect injector p...
September 26, 2008
2000 Volkswagen Beetle GL 1.8L Idle surge VIN: 3VWCD21C1Y
P0301: Misfire cylinder 1. Hello, This VW is giving us fits (not a pretty sight). The car had a timing belt break a couple of years ago and the customer replaced the cylinder head. The car then developed a very rapid surge at idle between 750 and 900 RPM. They let the car sit for a cou...
September 29, 2008
2002 Toyota Tacoma DLX 3.4L Misfire, MIL Lamp on VIN: 5TEWN72N72
P0301: Cylinder 1 Misfire Detected. Hi there I have this Tacoma that is being quite difficult. It has had this concern with setting cylinder #1 misfire codes for about 2 years now. The local Toyota dealer had it first and they sold him a full tune-up with plugs wires and injector cleaning. Pro...
September 13, 2008
1997 Honda Accord EX 2.2L Cuts out, Misfire, MIL Lamp on VIN: 1HGCD5667V
P0301: Cylinder 1 Misfire Detected. the car runs good "while driving" four 20 minutes then will not go past 4200 rpm. in any gear and sets misfire code even though you do not feel misfire. have cleaned egr, checked for restricted exhaust, fuel pressure and volume are good, replaced dist....
September 15, 2008
2003 Kia Rio Cinco 1.6L Poor Idle Quality, MIL Lamp on VIN: KNADC16533
P0301: Cylinder 1 Misfire Detected. Good day people. I have this KIA Rio that idles very rough. MIL will come on and transmission will not down shift into passing gear when throttle pedal floored. When vehicle came in first time had codes for MAF sensor and system too lean. No reading out of MAF...
September 18, 2008
2000 Ford F-150 XL 4.2L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTZF1728Y
P0301: Misfire Cylinder 1. Customer started it up in the morning - ran fine to work and then just coming from work problem occurred(Misfiring; rough running; low power) so he drove it to my shop from there. I scanned it with a Snap-On MT2500 - Had Random cylinder misfires and all but nu...
September 19, 2008
2003 Kia Rio Cinco 1.6L Poor Idle Quality, MIL Lamp on VIN: KNADC16533
P0301: Cylinder 1 Misfire Detected. Good day people. I have this KIA Rio that idles very rough. MIL will come on and transmission will not down shift into passing gear when throttle pedal floored. When vehicle came in first time had codes for MAF sensor and system too lean. No reading out of MAF...
September 19, 2008
1999 Subaru Legacy Limited 30th Anniversary 2.5L Misfire VIN: 4S3BG6859X
P0301: Cylinder 1 Misfire Detected. vehicle came from another shop for a check engine light code PO302 that tech replaced fuel filter plugs and wires and the light came back on 2 days later and the same tech did a HC reading of 18 ppm from the radiator and suggested that both head gaskets are ba...
September 19, 2008
2003 Mitsubishi Montero Sport XLS 3.5L Misfire, MIL Lamp on VIN: JA4MT31R33
P0301: Cylinder 1 Misfire Detected. ... driving. Mil comes on and code P0301 stores. Engine misfires also. I have swapped plug wire, coil, and injector. I installed a new iridium spark plug in #1 cylinder also. Test driving shows same misfire and Mil. Compression is 150 psi. What am I missing?
September 24, 2008
2001 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, MIL Lamp on VIN: 1J4GX48S51
P0301: Cylinder 1 Misfire Detected. howdy folks, i have one i can't shake. 01 jeep cherokee 4.0 a/t. fuel pressure was at 65 psi, changed regulator and now at 50 psi as spec. engine repeatedly trips po300,301,302,303 at idle. engine runs perfect above idle, perfect fuel trim, perfect injector p...
September 26, 2008
2000 Volkswagen Beetle GL 1.8L Idle surge VIN: 3VWCD21C1Y
P0301: Misfire cylinder 1. Hello, This VW is giving us fits (not a pretty sight). The car had a timing belt break a couple of years ago and the customer replaced the cylinder head. The car then developed a very rapid surge at idle between 750 and 900 RPM. They let the car sit for a cou...
September 29, 2008