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Idle too high on '91 Olds Regency 3800-V6

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Old 06-29-2010, 08:34 PM
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Unhappy Idle too high on '91 Olds Regency 3800-V6
Just tonight my Olds started running down the road (without foot on Accelerator) at about 35-40 mph. Upon getting it home the engine idles really fast and will not come down. TPS? Anything else to check? Thanks.
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Old 06-29-2010, 09:46 PM
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A good place to start is cleaning TB,IAC IAC Passage. sticking IAC can cause high idle.
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