Have a 2000 Chevy 3/4 ton 4wd truck that is backfiring
2 Answers
chaseumall answered 11 years ago
timing Chane or were does it backfire out of the exhaust or carburetor could be vales need adjusting put a vacuum gauge on the manifold somewhere that should tell you
Check ur distributer first to make sure its at the right degree it will caulse aback fire