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1996 Chevrolet C2500 Cheyenne 5.7L Excessive Emissions, Poor Idle Quality, Misfire
Posted to GM Driveability on 9/24/2004 17 Replies

misfire on cylinders 3,5,7. fuel related. propane enrichment causes misfire to go away. replaced 3,5,7 injectors after fuel injection flush had no effect. 3 and 5 still misfiring. replaced injectors again, and replaced cap, wires and plugs. scope shows normal ...

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  Related Documents & Media  1996 Chevrolet C2500 Cheyenne

 
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car Vehicle Data

1996 Chevrolet C2500 Cheyenne

VIN 2GCFC29R7T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1996 Chevrolet C2500 Cheyenne

VIN 2GCFC29R7T
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire

Trouble Codes

P0300Multiple Misfire Detected