
2002 GMC Sierra 2500 HD 6.0L Misfire
high milage work/service truck. when first started cold or after sitting hot for a few minutes, engine runs fine at idle. run engine speed up to 3000 rpm-idle and then lose cylinders #1/2/4. induced fuel and verified ignition good, no change. engine vaccum dro...
FIX posted 7/2/2008
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Message Closed w/FIX
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VIN | U72E240745 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / MPFI |
Emissions | Not OBD-II Compliant |
Symptoms | Misfire |
Occurs | After RPM Has Been Increased Off Idle |
Misc. | Cals All Current |
Trouble Codes
P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2002 GMC Sierra 2500 HD
VIN | U72E240745 |
Engine | 6.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / MPFI |
Emissions | Not OBD-II Compliant |
Symptoms | Misfire |
Occurs | After RPM Has Been Increased Off Idle |
Misc. | Cals All Current |
Trouble Codes
P0300 | Multiple Misfire Detected |