C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

92 idle problem

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Old Aug 19, 2007 | 09:26 PM
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2012 coupe
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From: Chatsworth, Ga.
Default 92 idle problem

Runs perfect for the first 15 mins or so until engine heats up. Get a rough idle, some times between 800-1000 rpm when stopped at idle. No gas smell. Does not bog at all when driving, even when I get on it. Other wise it runs great. Put in SeaFoam in vacuum line and it idles great for about 1/2 hour and then slowly starts to buck like a misfiring every once in a while. Problem is it does not always do this at a stop? Does not seem to be Opti, or it would do it all the time and the Sea Foam will not make a difference like it does?

92 LT-1 A/T 233,000 miles. Org engine.

Last edited by 2012 coupe; Aug 19, 2007 at 09:32 PM. Reason: update
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