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2001 Saturn Engine Revs

Tiny
JIMBOT
  • MEMBER
  • 2001 SATURN
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 128,000 MILES
When the car is in drive but at a stop the RPM's rev extremely high. It does while it's in park as well but less frequently. I turn off the A/C and it still does it. This first happened about 3 months ago and then it stopped after a couple of days. Now it does it every time its driven. What could this be? Thanks
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Tuesday, December 4th, 2007 AT 10:45 AM

1 Reply

Tiny
SERVICE WRITER
  • MECHANIC
  • 9,123 POSTS
Couple thoughts. A vacuum leak that is allowing unmetered air into the system.

I have seen a TON of coolant temp sensor that are bad on these. It sends the wrong signal that richens the mix up.
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Thursday, December 6th, 2007 AT 7:40 PM

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