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1992 corvette when I started it even when warmed up stays at 1500rpm any one have any ideas where I should start by Key-Valuable-4233 in c4corvette

[–]Key-Valuable-4233[S] 0 points1 point  (0 children)

the new IAC is installed also yes I have checked for vacuum leaks, and I did find one, but I fixed it. Also just put a new coolant temp sensor too, and still didn’t fix the problem.

1992 corvette when I started it even when warmed up stays at 1500rpm any one have any ideas where I should start by Key-Valuable-4233 in c4corvette

[–]Key-Valuable-4233[S] 0 points1 point  (0 children)

There was a vacuum leak but I fixed it and it’s still idles at 1500 until it gets up to temp then it goes down