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Old 01-03-2013, 06:51 PM   #2
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Join Date: Mar 2006
Location: San Antonio, TX
Posts: 44

1993 SL1
1994 SL2
Default Re: High Idling, Dies Randomly, 1999 Saturn SL2

IAC Valve? MAP sensor?

The high idle is a vacuum leak somewhere or a sensor sending incorrect data. Check all the vacuum lines for cracks or breaks. Replace as needed. Intake Air Control Valve could be leaking/stuck/not functioning properly. It's on the throttle body somewhere. Same with the MAP sensor.

SES light? any stored codes? Go to auto parts store and they will read them for you for free.

1999---Leaking intake gasket?


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