Thread: High idle but no code set

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viv1610 High idle but no code set 05-09-2011, 09:44 PM
FordMan77 Re: High idle but no code set 05-10-2011, 03:02 PM
viv1610 Re: High idle but no code set 05-10-2011, 06:12 PM
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  1. #1 Re: High idle but no code set 
    GrandPrix Junkie
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    Well, the RPM jump when you hit the brake is most likely the torque converter unlocking. This is normal.

    As far as the high idle goes, I'd clean the MAF and IAC (idle air control) valve and see what that gets you. Sounds to me like the IAC is carboned up and is sticking.

    I don't recommend brake or carb cleaner being used on the MAF as it is an electronic part. They make cleaner specifically for throttle bodies and MAF's.
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  2. #2 Re: High idle but no code set 
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    Thank you. Will see about doing those 2 things this weekend, if the weather cooperates...no garage and it's supposed to rain. lol
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