RPM idle's too high

Asked by migration_geterdone Mar 07, 2013 at 04:07 PM about the Saturn S-Series

Question type: Maintenance & Repair

When the car is sitting it idle's perfict at about 9,000 RPM,but once the car have move in gear or just plain coasting the RPM will rise to 20,000 or more untill you make a full complete stop,wait a few second,then the RPM rise back down to normal.

3 Answers
176,035

tenspeed answered 11 years ago

Get your codes read. I suspect the throttle position sensor but get second opinions. Your reported RPM's are high by a factor of 10.

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DavidH25 answered 11 years ago

TS he has got to be adding a "0" I know of no engine, except maybe a motorcycle engine... and that is pushing it past extreme, that can tolerate 20,000 rpm's. No f*** way

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2,695

Alex answered 11 years ago

The IAC and TPS are suspect. Also check for possible vacuum leaks.

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