Question about Saturn SW2

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I have a 1998 Saturn SW2 that idles high sporadically. Frequently it runs around 1500 rpms when in park even when it is warmed up. I have had the idle motor control (I think that's what it's called) cleaned and that seems to lessen the frequency for a short while then it is back to doing it more often. There is no consistency to the problem, it happens in all types of weather or temperature etc. Any ideas??

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  • Master
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Erratic idle is commonly caused by a malfunctioning IPS (Idle Position Sensor), MAF sensor or IAC (Idle Air Controller).

Cleaning any of these only prolongs the inevitable. Change the sensor at fault to eliminate the problem.

Have you had the OBD error codes read?

Some errors do not cause a CEL condition. The bulb may be burned out - or removed by the previous owner.

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Posted on Jul 20, 2009

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  • Saturn Master
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It sounds like the idle air control valve needs to be replaced now if you have to constantly remove and clean it out. If money is tight and you car is 11 years old, try the salvage yard and see if you could get one from a newer car to replace your old one. The cost will vary from one yard to another, I had a wheel bearing go bad on my wife's Montana and picked on up for $35,00 with less then 30,000 KM as long as i pulled it off my self. The dealer wanted $285.00 and parts store was $190.00. Just food for thoughts as to how to save some money and the parts have a 90 day warranty so you know you could always exchange it. Good luck friend and keep me posted. 

Posted on Jul 20, 2009

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