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Very high idle

(1990 Buick Regal)
in Dayton, OH on May 10, 2011
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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Popular Answer
on May 10, 2011
there is an idle air control IAC and a throttle position sensor TPS
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