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

Engine idles high sometimes

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Old May 14, 2010 | 03:52 PM
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Default Engine idles high sometimes

Having an issue where my engine just idle's at around 17k in normal street driving. I have to put it in neutral and smack the gas pedal up to 2.2k or so then it comes back down to 900 rpm. Stuck IAC maybe? I cleaned it not toooo long ago.

ideas anyone? I did also change out the tranny to a turbo 350, if that makes any difference.
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Old May 14, 2010 | 05:45 PM
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Check the IAC housing and TB. See if both are clean.
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