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1990 Buick Regal Question: very high idle



, Dayton, OH, May 10, 2011, 17:35

done check vacum lines,replace throttle control senor,,,is there a idle senor???or what else could be promble..sounds like car ready to blow up idle is so high,,

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  • Answer #1

    May 10, 2011, 18:22

    there is an idle air control IAC and a throttle position sensor TPS

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