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1991 Chevrolet K1500 Cheyenne, FP Photo
Posted to the Waveform Library on 3/11/2001

This is a picture of a bad fuel pump rotor. Note how the brass has worn down to the plastic on two segments of the rotor. If the pump rotor happened to stop at this particular spot the brushes were not making good contact and the vehicle would not start unless...

 

car Vehicle Data

1991 Chevrolet K1500 Cheyenne 5.7L

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

car Vehicle Data

1991 Chevrolet K1500 Cheyenne 5.7L

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