2004 GMC Safari 4.3L Poor Idle Quality, Misfire, MIL Lamp on
Hi all we are working on a 2004GMC Safari and we have tried everything and this sucker will not stop misfiring.... Valve job, tune up, changed injectors, changed distributor, no matter what we do, same result, misfire. Any help would be greatly appreciated. Th...
FIX posted 6/13/2011
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Vehicle Data2004 GMC Safari
Trouble Codes
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Vehicle Data
2004 GMC Safari
VIN | 1GKEL19X34 |
Engine | 4.3 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0302 | Cylinder 2 Misfire Detected |
P0305 | Cylinder 5 Misfire Detected |