
2005 GMC Sierra 2500 HD SLE 6.0L Misfire
Hey, can use some help...got this 2500hd pickup with a p0300 random misfire code that only appears when you drive above 60mph,but it runs good. Has ac delco plugs(new), new delco wires ,cleaned injectors with GM [...] power balance and injector tests with [......
FIX posted 2/9/2010
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Message Closed w/FIX
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VIN | 1GTHC24U05 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Hot, Above 60Mph |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2005 GMC Sierra 2500 HD SLE
VIN | 1GTHC24U05 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Hot, Above 60Mph |
Trouble Codes
P0300 | Multiple Misfire Detected |