2004 GMC Envoy SLE 4.2L MIL Lamp on
hello techs,thanks in advance for taking your time! i have this 04 envoy 4.2 l6,has misfire at idle. does not misfire at higher rpm. customer came from dealer and dealer said cylinder head has to be replaced due to bad valve spring on number 5. i have done som...
Summary posted 9/7/2007
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Vehicle Data2004 GMC Envoy SLE
Trouble Codes
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Vehicle Data
2004 GMC Envoy SLE
VIN | 1GKES12S94 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Trouble Codes
P0305 | Cylinder 5 Misfire Detected |
P1680 | Throttle Actuator Control System APP Sensor Malfunction |