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1992 Chevrolet K1500 Cheyenne 5.7L Hesitation, Misfire
Posted to GM Driveability on 10/12/2007 21 Replies

The truck has a hesitation/misfire when in drive, just off idle, at 750-900 rpm. Scoped the primary and secondary igntion circtuits, all waveforms ok. Fuel pressure and volume are both in spec, injector waveforms look good, and spray pattern looks ok. Timing i...

21 Replies Received (View Replies)

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Message Closed w/Summary

car Vehicle Data

1992 Chevrolet K1500 Cheyenne

VIN 1GCEK14K9N
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
SymptomsHesitation, Misfire
OccursAlways, Under Load
Message Closed w/Summary

car Vehicle Data

1992 Chevrolet K1500 Cheyenne

VIN 1GCEK14K9N
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TBI
SymptomsHesitation, Misfire
OccursAlways, Under Load