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2003 Chevrolet Silverado 1500, ECM/Inputs/Outputs Waveform
Posted to the Waveform Library on 12/21/2007

4.3 engine rpm during severe buck.I have replaced crank sensor and still have severe buck

 

car Vehicle Data

2003 Chevrolet Silverado 1500 4.3L

VIN 2GCEC19X63
Engine4.3 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
ConditionKnown Bad

car Vehicle Data

2003 Chevrolet Silverado 1500 4.3L

VIN 2GCEC19X63
Engine4.3 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemECM/Inputs/Outputs
ConditionKnown Bad