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Pulled the codes 900 1993

Had exact same problem a few months ago on my '93 945. I cleaned the IAC valve, reinstalled it, then used a wrench to firmly tap on the body of the IAC valve. Since then (knock wood) no problems.

Mechanic friend told me that tapping the IAC valve can sometimes loosen anything that's interfering with proper operation.
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1993 945 NA






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New All of a sudden... stumbling, cant get above 2k rpms -- wifes car!! [900][1993]
posted by  matt82dl  on Tue Jun 12 04:36 CST 2007 >


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