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isc motor on 93 sts 152k


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I believe my idle speed control motor has taken a dump. I noticed it making popping noises after shutting the car off a few days ago. Then the next day the service engine light would go off/ on at idle. Now it seems to rondomly not idle smootly as well. Has anyone ever tried to clean the switches inside or is it junk? I can't remember how to pull the codes on this thing and my scanner won't hook up to a obd 1 car. Anyway I'm pretty sure what it is without seeing the codes.

What's the best source for a isc? boneyard? thanks

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Ok, I got out my service manual, I've got p022 and p070. Maybe I'm wrong and this is a tps?

Also have s044 and s061..;..didn't find those yet. probably something to do with the "service ride control" message I've gotten for the last 50k mi.

Any help appreciated!

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I believe people have cleaned the switch contacts with success.

What year car? Your profile says 2000. It does not have an ISC motor. It has an IAC valve.

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