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2004 Chevrolet Silverado 1500 4.3L Misfire
Posted to GM Driveability on 3/6/2008 19 Replies

Hard misfire on cylinders 2, 4, and 6. Replaced worn cap and rotor plus fouled plugs. The engine did not change. I checked the fuel pressure, which was 58 psi (55-62 range), with engine running. All cylinders have good spark. Injector balance test showed less ...

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  Related Documents & Media  2004 Chevrolet Silverado 1500

 
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car Vehicle Data

2004 Chevrolet Silverado 1500

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / csfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2004 Chevrolet Silverado 1500

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / csfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways

Trouble Codes

P0101Mass Airflow Sensor Range/Performance
P0300Multiple Misfire Detected