5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

High Idle?

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Old 06-08-2007, 01:45 PM
  #1  
steiner_5000
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Default High Idle?

My car idles at 1,000 rpms. This seems a little high to be but this is my first mustang so I thought I would ask.
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Old 06-08-2007, 03:59 PM
  #2  
Dath
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Default RE: High Idle?

I like it as low as possible and still be there when needed. Thats about 700-750 for mine.
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Old 06-08-2007, 04:05 PM
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blkonblk5.0
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Default RE: High Idle?

is there a cam in it
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Old 06-08-2007, 04:07 PM
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Blckstng93
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Default RE: High Idle?

Mine has been idling around the 800-900 range forever. Clean your IAC and see if it changes anything. Not all 5.0 idle at the same place anyway.
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Old 06-08-2007, 07:13 PM
  #5  
945LSTANG
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Default RE: High Idle?

does it idle lower when u let it sit for a few seconds?
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Old 06-08-2007, 08:47 PM
  #6  
CantStopTheFox...
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Default RE: High Idle?

Welcome to the world of idling problems......Mustangs are notorious for it
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Old 06-08-2007, 09:23 PM
  #7  
PRO50SC
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Default RE: High Idle?

Mine idles @ a grand, That's where I like it. If it's not a bother, leave it alone.
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