corvette ,1985 tune port new rebuilt 350
engine runs rough , black smoke out the tail pipes
Sep 30, 2007 at 11:12 AM
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DENNYP
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[quote:07aa9aa77d="kerbo2"]corvette ,1985 tune port new rebuilt 350
engine runs rough , black smoke out the tail pipes[/quote:07aa9aa77d]check for excessive fueling.O2 sensor voltage will be high.block learn and integrator readings will be low in an attempt to compensate for excess fueling.