Question about 1993 Oldsmobile Cutlass Supreme

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High rpms in park, too low in drive

My 93 olds cutlass supreme is running high in rpms. When i first start it it is running at about the 3 tic mark and when i put it in drive it goes so low it dies. I am a typical clueless female when it comes to cars. Put it in shop last week for about the same problem and had some gaskets changed including the throttle body gasket and it helped for a couple of days and now it is worse. Help! My 93 cutlass 3.1 is having stalling problems at stops and high revs at start up rough idle and drop in idle when engaged into any gear. I have cleaned the air flow sensor with CRC cleaner and it seemed to help alot but still not running real smooth my gas mileage seems to be as usual and it still has horsepower in all gears but is a little slow to respond to the gas pedal acceleration. Please Help Could this be a O2 sensor? There appears to be no signs of vaccumn leaks already checked.

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  • 35 Answers

Sounds like ecm sensor problems.does check engine light come on at all?you may be able to get a code reader at autozone to retrieve computer stored codes, this would more than likely lead you in the right direction.some shops will do a computer check cheap if you are unable to perform this task.however the code readers come with instructions and are user friendly;-)

Posted on May 31, 2009

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