When the IAC is disconnected the engine does not rev up and down anymore. But on cold days, you need to keep the idle high or it will die until the car warms up.Where can I find the Idle Air Control (IAC) valve on a 1999 Toyota Camry?
It should be right on the side of the throttle body. That's where you will find them on most all vehicles. It's usually opposite side of throttle position sensor.
you should only have two connectors going to the throttle body, one for the TPS and the other for your IAC valve.
Hope this helps!
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