This is a very old van and we have had difficulty with the rough engine idle, but now is is Idling very fast. , I have replaced the throttle position sensor, the idle air control and throttle body gasket, cleaned out everything in and around the throttle body. I used an unlit propane torch to look for vacuum leaks, but none could be found. It drives ok but the idle is the crazy part. Any suggestions. Thanks in advance, Tom
My car has 125000 miles.
My car has an automatic transmission.
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