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91 vette turns exhaust cherry red

by ken
(placerville,ca)

starts and idles fine will not respond to throttle,turns exhaust cherrry red by time gauge says its warm

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Jun 21, 2015
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starstarstarstarstar 		cherry red exhaust
by: Anonymous

Had the same problem. After removing the cat converter and replacing with a test pipe it still did it. Changed the fuel filter and never had the problem again even after reinstalling the cat, seems the lack of fuel causes it to run lean, causing the ECM to try to overcorrect fuel mixture resulting in the red hot exhaust. worked for me, plus it was less than $10,
Jul 28, 2013
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starstarstarstarstar 		Hot exhaust
by: D. Lemb.

Your catalytic converter is probably blocked. Had similar problem.

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