I have post on here a few times,and still need help,about the idleing too high

Asked by Apr 05, 2013 at 08:00 PM about the 1999 Saturn S-Series 3 Dr SC1 Coupe

Question type: Maintenance & Repair

When I took the old IAC unit off,I stick my finger in the insert and it is black.,should it be clean ?,if it does,what cleaner do I use ?

3 Answers


just clean it with a rag. You could clean it with anything.


CRC makes a air flow sensor cleaner spray. It should work on a intake air temperature sensor. You could also try electrical contact cleaner spray if you can't find the CRC stuff.


The high idle speed could be caused by a vacuum leak. It could also be a sensor. Try getting the codes read to see if any codes are pending.

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