My 2000 alero with a 2.4 atou.tranmission has started to idle very high. Cold start it runs at upward to 3500rpm. When it warms up it gose down to 1200 rpms. Under load in sits at 1100 rpms.
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I had the high idle motor repalced and still no fix. They now tell me the transmission is the problem, i don't agree with this. Tell me if i'm wrong.
2,255
trans..maybe, when you start it cold, and let it idle, (even high) will it eventually come down, even 200 rpm?
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7,125
Once its warm it should be around 600-750 rpm. Does it sound like its idling high or is that what the gauge says? What is a high idle motor, are you referring to the idle air control? Have you checked the throttle position?
2 out of 2 people think this is helpful.
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Nathan Maynard
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tenspeed
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Matty Protano
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