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2000 Cadillac Catera

Question: Motor surging

Question

wonlotto, 3.0L V6, Glendale, AZ, March 03, 2011, 17:15
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Motor surging In park Goes up and down from 750 rpm to 2200 rpm.Does not do it while in gear

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  • Answer #1

    techlund1 from Cottman Total Auto Care & Transmission, March 05, 2011, 05:08
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    Any check engine lights? Sounds to me like a bad IAC motor

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    wonlotto, March 05, 2011, 11:27
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    Yes ,,,light on ,,,code 0171,,,0174

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  • Answer #2

    Tracy Gear Head July 12, 2011, 18:18
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    Need a new idle control valve,it's located on the throttle body

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