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1991 Chevrolet C2500 Cheyenne 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire
Posted to GM Driveability on 2/10/1999 1 Reply

Truck came in with complaint of idle searching and no [...] thing we found the pcv valve was plugged solid as well as nipple below throttle [...] housing thoughly cleaned all vaccum ports replaced pcv and vaccum line connecting the [...] idle truck will su...

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car Vehicle Data

1991 Chevrolet C2500 Cheyenne

VIN 1GCFC24K4M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
Emissionsfed
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Misfire
OccursIdle
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet C2500 Cheyenne

VIN 1GCFC24K4M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
Emissionsfed
SymptomsExcessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts Out, Misfire
OccursIdle