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Old 02-25-2007, 11:12 AM
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BNaylor BNaylor is offline
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Re: Alero High Idle...HELP!

Welcome to AF.

Have you checked for a possible vacuum leak at the intake manifold area. A loose or bad vacuum line will cause a high idle. Also, I would check the input voltages (PCM reference) to the IAC and TPS and for a correct output from each sensor.



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