WHEN IT IS COLD IT IDLES FINE BUT WHEN WARM IT ...

  • Tiny
  • Anonymous
  • 1994 Mazda MPV
  • 170,000 miles

When it is cold it idles fine but when warm it idles rough and acts like it wants to stall but the service engine light does not come on.

Friday, December 14th, 2012 AT 2:36 AM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,287 posts

Check for vacuum leaks and check the idle air control valve.

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Friday, December 14th, 2012 AT 2:38 AM

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