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1997 Chevrolet K1500, ECM/Inputs/Outputs waveform
Posted to the Waveform Library on 5/19/2008

secondary in brown,injector #4 taken at pcm in green,current for injectors in blue and red(every other injector in firing order in clamps...........showing drop out while cruizing at 70 mph

 

car Vehicle Data

1997 Chevrolet K1500 Cheyenne 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad

car Vehicle Data

1997 Chevrolet K1500 Cheyenne 5.7L

Engine5.7 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
Component
ConditionKnown Bad