Question about 1985 Chevrolet Corvette

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Poor acceleration almost sounds like a missfire, gets a little better after engine temp over 75c. After long run it will show code 32 (egr) But the EGR works fine.... Vacuum?

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EGR valve could be sticking. Try removing it and cleaning it out with carb clean. Carbon buildup can cause this problem.

Posted on Jun 21, 2009

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Posted on Jan 02, 2017

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Have you checked for vacuum leaks? Poor idling when cold that gets better when the engine warms up, or at higher RPMs are symptoms of vacuum leaks. Check all hoses and connectors. If it's a manifold gasket, you will want to use a smoke machine (check when the engine is cold).

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Combining the hot cat converter and the missfire code, I would lean toward a fuel problem. Too lean or pressure too low.
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