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1988 Chevrolet K1500 Cheyenne 5.0L Hesitation, Backefire-intake
Posted to GM Driveability on 3/7/2000

This one is driving me crazy. The customer had the engine rebuilt and installed by a rebuilder, they charged him for another block-said the old one was cracked. After picking it up the truck would backfire under hard accel, it backfires through the throttl...

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car Vehicle Data

1988 Chevrolet K1500 Cheyenne

VIN 1GCDK14H4J
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsFederal, w/ air pump
SymptomsHesitation, Backefire-Intake
OccursHot, Under Load, on Accel, Intermittently
Misc.Rebuilt Engine
Message Closed

car Vehicle Data

1988 Chevrolet K1500 Cheyenne

VIN 1GCDK14H4J
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
EmissionsFederal, w/ air pump
SymptomsHesitation, Backefire-Intake
OccursHot, Under Load, on Accel, Intermittently
Misc.Rebuilt Engine