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1991 Chevrolet C1500 Cheyenne 5.7L No Start
Posted to GM Driveability on 8/2/2012 42 Replies

I am the third shop to have this vehicle, and it's been tricky.

I have no spark at all. There is throttle body injection. I disconnected the bypass to the computer, and there's still no spark. I checked the waveform on the purple/white wire, and got the 5v sq...

42 Replies Received (View Replies)

  Related Documents & Media  1991 Chevrolet C1500 Cheyenne

 
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet C1500 Cheyenne

VIN 1GCDC14K4M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
SymptomsNo Start
OccursAlways
Message Closed w/Summary

car Vehicle Data

1991 Chevrolet C1500 Cheyenne

VIN 1GCDC14K4M
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
SymptomsNo Start
OccursAlways