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1994 Chevrolet K1500, Fuel Supply Waveform
Posted to the Waveform Library on 8/24/2016

This vehicle had an intermittent stall. Supply voltage should be constant to the injector, only the control side should be pulled down. The first injection pulse is okay, but the the second and third in this screenshot it can be seen that the supply voltage is...

 

car Vehicle Data

1994 Chevrolet K1500 5.7L

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

car Vehicle Data

1994 Chevrolet K1500 5.7L

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