
2008 GMC Sierra 1500 WT 4.3L Misfire
Truck came in the P0301 cyl 1 misfire. Removed #1 plug and it had carbon tracking about 1/4" wide and the length of the porcelin. Easy fix. Replaced plugs and wires with factory parts. Also had a coolant leak-water pump and head gaskets replaced. Still have th...
FIX posted 4/22/2012
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Message Closed w/FIX
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VIN | 1GTEC14X98 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cold |
Trouble Codes
P0301 | Cylinder 1 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2008 GMC Sierra 1500 WT
VIN | 1GTEC14X98 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Cold |
Trouble Codes
P0301 | Cylinder 1 Misfire Detected |