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Re: engine keeps increasing revs
Suspect your IAC or other air sensors.
I am not certain how to diagnose a bad IAC... perhaps someone else here can troubleshoot that for you. It is a relatively inexpensive part though. Your car is old enough... it is time for it to go bad.
Just for an experiment... start the car and let it sit at idle for several minutes and see if it is erratic or holds steady.
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