The idle air control valve (IACV) is a device attached to the throttle body that helps keep the engine of a vehicle running without throttle input, such as when the car is idling in traffic or parked ...

A bad idle control valve can cause a multitude of issues with your car. Check out the Drive’s Garage Guide to identify the signs of a bad idle air control valve.

Take the case of Jerry Andersen, who has also gone through four idle air control valves on his Camry. He has replaced the valve at 25,000 miles, 38,000 miles and 47,000.