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1991 Chevrolet Pickup K1500 4.3L Misfire
Posted to GM Driveability on 4/20/2001

This truck misses in high gear when you back off to cruise at say 45-50 mph. Some times it will go away breifly. then return.I wasn't sure if I had a trans shudder in tcc or miss but I do hear pinging when problem occurs and it feels like its dropping a cylind...

 
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet Pickup K1500

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsus fed
SymptomsMisfire
OccursCruise
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet Pickup K1500

VIN [No VIN Available]
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
Emissionsus fed
SymptomsMisfire
OccursCruise