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1993 Chevrolet C1500 Cheyenne 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire
Posted to GM Driveability on 12/10/2007 8 Replies

Vehicle Running lean good fuel pressure. extremely load buzzing noise coming from injector housing. appears to be coming out of the housing not the injectors themselves. vehicle backfires after warmed up and no power, replaced fuel filter. the buzz noise is ex...

8 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1993 Chevrolet C1500 Cheyenne

VIN 2GCEC19K8P
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / tbi
Emissionsfed
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Misfire
OccursAlways
Message Closed w/FIX

car Vehicle Data

1993 Chevrolet C1500 Cheyenne

VIN 2GCEC19K8P
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / tbi
Emissionsfed
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Cuts Out, Misfire
OccursAlways