Question about 1991 Oldsmobile Cutlass Ciera

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I have a 91 cutlass cierra and sometimes it idles fast and then cuts out on me, even tries to cut out while going down the highway. Sometimes I have to have my foot on the brake and accelerator so it doesn't die on me. someone mentioned the idle air solenoid, but where is this on the car, as I've never heard of it before? Thanks.

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  • Marilyn Tavenner Feb 12, 2010

    Any more ideas on what a person might look for with this problem?

  • Marilyn Tavenner Apr 27, 2010

    Any more ideas on this for us to try. We have changed the pvc valve, cleaned the idle air control valve and the throttle position sensor. The main problem at the moment is a super high idle. We did not put a new idle air control valve on this car, but any ideas on what else could cause a high idle that we haven't checked? Thanks for any help.


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Have a look for broken vacumn lines ..this causes air to bypass the idle air control solenoid/motor..and this will also cause the exact symptoms you are concerned about..also the pcv valve stuck open will do this as well..start the car if it will stay running long enough and look under the hood and listen for the vacumn leak some times you can hear it and you can locate it this way as well..good luck

Posted on Feb 05, 2010

Testimonial: "Thanks so much for such a quick reply. We are going to try to listen for a leak and see if that's the cause. Marilyn"

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