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1988 Chevrolet C1500 Cheyenne 5.0L Excessive Emissions, Poor Idle Quality, Misfire
Posted to GM Driveability on 6/25/2001 3 Replies

This truck will, bacfire, run rough, miss, have a lack of power, and be basically undriveable, when the bypass is disconnected it runs normal and it is driveable except for no ECM controlled timing and a code 42, all of the components listed in the repair hist...

3 Replies Received (View Replies)

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Message Closed w/FIX

car Vehicle Data

1988 Chevrolet C1500 Cheyenne

VIN 2GCDC14H4J
Engine5.0 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsOBD1
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursAlways
Message Closed w/FIX

car Vehicle Data

1988 Chevrolet C1500 Cheyenne

VIN 2GCDC14H4J
Engine5.0 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsOBD1
SymptomsExcessive Emissions, Poor Idle Quality, Misfire
OccursAlways