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1998 Chevrolet C1500 Cheyenne, FP Waveform
Posted to the Waveform Library on 7/10/2001

Pump was very noisey but be careful to note what else is sharing the fuse if that is what you use to pick up the fuel pump wave. This one, even though bad looks much worse when thrown in with the ecm current.

 

car Vehicle Data

1998 Chevrolet C1500 Cheyenne 4.3L

VIN 1GCEC14W2W
Engine4.3 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad

car Vehicle Data

1998 Chevrolet C1500 Cheyenne 4.3L

VIN 1GCEC14W2W
Engine4.3 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemFuel Supply
Component
ConditionKnown Bad