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My engine when warm will sometimes stay at about 3000 rpm when the clutch is disengaged and my foot off the gas. It has always done this stock, with O/R X, and now with the S/C and stock H pipe. If I engage the clutch, foot off the gas, and slow down, the engine rpm will stay at the new rpm when the clutch is disengaged. If I disengage the clutch and tap the gas, it will return to idle most of the time. The dealer didn't know what it was and couldn't fix it. Before the S/C, if I reset the computer, it would take a while before it would happen.

Anyone have any ideas? Its starting to drive me nuts.

Thanks.
 

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Check to see if the IAC is sticking. Unbolt and unplug it from the intake and spray some carb cleaner in it. Then see if its still doing it. It may need to be replaced if this doesn't help.

John
 
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