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Re: 92, Problem with Idle while in drive(new egr, FPR, nut kit)
If the idle speed is less than 700rpm, the Idle Air Control (IAC) valve may be sticking ...it's mounted on the left side of the air inlet to the intake manifold next to the throttle cables. You can take it off and spray some carburetor cleaner in the manifold and spray some on a rag and wipe off the IAC plunger
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