1999 chevy Z71, tries to start gut heres the thing,it won't start but if we take out no.1 spark plug then it will start right up, no problem. we put the no.1 spark plug back in then it won't start

Asked by Apr 15, 2017 at 01:50 AM about the 1999 Chevrolet Silverado 1500

Question type: Maintenance & Repair

1 Answer

27,525

hhummm..exhause valve'cam lobe...just a guess

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