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IDLE

  • Tiny
  • williamarnett92
  • 1994 Geo Tracker
  • 161,000 miles

When I start the car it idles high but when I unplug the vacuum from the MAP sensor it idles good what could be wrong?

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Thursday, July 5th, 2012 AT 12:27 AM

3 Replies

  • Tiny
  • saturntech9
  • Expert
  • 29,870 posts

Do you have any codes in the computer?Also have you checked for vacuum leaks yet?

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Thursday, July 5th, 2012 AT 12:41 AM
  • Tiny
  • williamarnett92
  • Member

No codes and I just replaced the vacuum lines

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Thursday, July 5th, 2012 AT 12:44 AM
  • Tiny
  • saturntech9
  • Expert
  • 29,870 posts

I would get a can of carb spray let it idle and spray around all vacuum sources intake manifold hoses etc. If the rpms go down it stumbles or dies you found a vacuum leak.

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Thursday, July 5th, 2012 AT 4:26 PM

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