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1989 Chevrolet C1500 Cheyenne, Ignition waveform
Posted to the Waveform Library on 3/29/2009

Bad ecm injector ground at the thermostat housing.

 

car Vehicle Data

1989 Chevrolet C1500 Cheyenne 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Bad

car Vehicle Data

1989 Chevrolet C1500 Cheyenne 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionKnown Bad