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1991 Mazda Miata Idle Speed

Tiny
JOHNOZGA
  • MEMBER
  • 1991 MAZDA MIATA
  • 4 CYL
  • 2WD
  • MANUAL
  • 170,000 MILES
The idle sometime idles higher then normal though when I put the ac on it idles normal again.

It usually idles a guess around.5 then idles at 1.5.

Thank you for your time.
John Ozga
johnozga@netzero. Net
Monday, August 10th, 2009 AT 6:47 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Thank you for the donation

Try cleaning out the throttle plate and inspect the accelerator linkage/ binding- Also test the idle air control solenoid and airflow meter, also clean out the EGR and PCV valves comeback with some results
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Tuesday, August 11th, 2009 AT 5:23 AM

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