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.

adjusting throttle cable?

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Old Jun 15, 2007 | 12:25 PM
  #1  
88MustangGX's Avatar
88MustangGX
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From: Budd Lake NJ
Default adjusting throttle cable?

ok since my idle is high(1200) what do i do to adjust that to knock it down to where it should be? thanks
Old Jun 15, 2007 | 12:31 PM
  #2  
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mattdel
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From: Spfld, MA
Default RE: adjusting throttle cable?

you can try adjusting the idle set screw, but if the butterfly is already closed its not going to help.
Old Jun 15, 2007 | 12:33 PM
  #3  
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mattdel
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From: Spfld, MA
Default RE: adjusting throttle cable?

this is what the whole deal looks like... this is an actual view. the screw is underneath the throttle body.


Old Jun 15, 2007 | 12:38 PM
  #4  
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88MustangGX
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Default RE: adjusting throttle cable?

awesome, thanks man! now since my idle also "surges" (fluxuates from 500-1500) could that be an issue as well? or is that the IAC by itself?
Old Jun 15, 2007 | 12:40 PM
  #5  
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mattdel
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From: Spfld, MA
Default RE: adjusting throttle cable?

could be the IAC, could be a vacuum leak, could be a dirty MAF.
Old Jun 15, 2007 | 12:42 PM
  #6  
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88MustangGX
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Default RE: adjusting throttle cable?

cant be MAF i don't got it haha 88 has Speed density. I'll check out the other things. thanks again
Old Jun 15, 2007 | 12:44 PM
  #7  
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mattdel
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Default RE: adjusting throttle cable?

ah right, 88.

reading owns me today.
Old Jun 15, 2007 | 12:45 PM
  #8  
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Joel5.0
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From: Puerto Rico
Default RE: adjusting throttle cable?

DIY KOEO/KOER/Cylinder Balance Self-Test
Old Jun 15, 2007 | 03:32 PM
  #9  
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7upedition
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Default RE: adjusting throttle cable?

musclemustangs.com... rough idel tech article: set tps, base idle, clean iac, etc. check for vacuum leaks

good luck
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