check engine light ( havent pulled codes yet) strange


Founding Member
Nov 19, 2001
Rochester, NY
here's a strange one my car runs mint finally, when i drive it for more than 20 mins or so and I get ready to park it throw it in park and the check engine light comes on and the car idles funny anyone have a clue what this might be? or what I should check first? I have a hunch its the IAC but would I need to replace this pig or what? thanks in advance

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