Q: My car only starts to stall when the engine warms up and nothing happens when I unplug the IAC harness

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My car only stalls after tge engine warms up. After this the car will crank but not idle, ill have to wait some time for the car to work again. My car is not overheating but the heat is causing something to not work properly.

My car has 120000 miles.
My car has an automatic transmission.

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