Question about 1999 Lexus ES 300

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What should it be idleing on the highway? - 1999 Lexus ES 300

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Depends on the speed your driveing at, Around 2300 To 2500 , RPM.

Posted on Oct 30, 2012

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2000 malibu overheats on highway but not in town or when idling


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Ps. Might be called Idle Speed Control motor it depends on the make and i forget what chevy calls theres.

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