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Old 03-25-2014, 02:04 PM   #2
BADAZ chevy guy
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Join Date: Mar 2014
Location: Clearfield Utah
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Re: 96 GMC backfire at even throttle

Originally Posted by spebull View Post
Need help. My 96 GMC backfires at even throttle. I've changed plugs, rotor, distributor cap,wires,cleaned the injection system. Any suggestions?
Sounds like you may have a burnt exhaust valve. Or one that isn't closing far enough.
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