I just replaced the idle air control motor/kicker and plug in my 1993 Cadillac Sedan Deville. now when I drive the car down the road and take my foot off the accelerator, the car continues to idle at 2200 RPMs. I am not receiving any codes. why does the car idle high? I originally replaced the idle control motor because I was receiving an actuator and egr code and the car was stalling. I have no vacuum leaks. please help and thanks.

90

Asked by Oct 17, 2012 at 03:31 PM about the 1993 Cadillac DeVille Sedan FWD

Question type: Maintenance & Repair

5 Answers

37,025

Egr has nothing to do with the IAC. Are you positive there isn't a vacuum leak?

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90

positive.

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90

the idle only comes down to normal when i bring the car to a complete stop.

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37,025

When you release the accelerator pedal does it quickly slow itself down or does it coast?

2 people found this helpful.
90

car continues speed when accelerator has been released. update; cadillac fixed. apparently, when idc was replaced, tps went bad. i replaced tps, car fixed.

5 people found this helpful.

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