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 07-15-2006, 02:19 AM
  #1  
lakes90GT
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Default High Idle???

Hey guys, I am now addicted to this forum. I have a pretty much stock '90 Gt manual and normally it idles fine but every once in a while after driving I take it out of gear while stopped and it stays at 2500 rpms. Any idea how what the problem could be? thanks
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Old 07-15-2006, 02:21 AM
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89GTRed
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Default RE: High Idle???

have you tried backing the screw on you tb off to lower the idle?
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Old 07-15-2006, 02:22 AM
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89GTRed
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Default RE: High Idle???

oops nm didnt read your post correctly didnt see that it normally idles fine...
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Old 07-15-2006, 02:23 AM
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89GTRed
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Default RE: High Idle???

have you checked you tb linkage to se if its sticking? try lubing it maybe?
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Old 07-15-2006, 02:26 AM
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lakes90GT
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Default RE: High Idle???

where would i find the tb linkage? I dont know much about much. thanks
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Old 07-15-2006, 02:43 AM
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PRO50SC
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Default RE: High Idle???

It's the cable attached to the throttle body on the bottom side of it.
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