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High ldle around 2000 or so cold and when it is.

Tiny
GRACIEBAGACIE
  • MEMBER
  • 1993 MITSUBISHI MONTERO
  • 175,000 MILES
High ldle around 2000 or so cold and when it is worm the idel is low even with the ac on about 500 to 700. I just replaced the iac with a new one the same problem. Both iac, s do not move with the key on. Help, Thanks Russ
Thursday, October 25th, 2012 AT 1:20 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Did you clean the throttle body? The portion around the throttle plate and idle adjust screw air passage should be clean and if the idling speed is too low at operating temperature. Turn the idle speed adjustment screw counterclockwise slightly to increase the idling speed. Do not turn too much at a time and if the idling speed seems slow to response to change. Turn engine off and restart to see if the idling speed changes.
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Thursday, October 25th, 2012 AT 2:27 PM

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