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.

Mustang Idle Problem Fix

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Old 06-13-2007, 04:39 AM
  #11  
AdderMk2
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Default RE: Mustang Idle Problem Fix

on a SD car.... you wont be running very well..

on my car... it would cause the guage to read zero, then i'd fix it, or plug the stock ECM back in... hehe
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Old 06-13-2007, 04:47 AM
  #12  
86 5.0L
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Default RE: Mustang Idle Problem Fix

ORIGINAL: AdderMk2

on a SD car.... you wont be running very well..

on my car... it would cause the guage to read zero, then i'd fix it, or plug the stock ECM back in... hehe
hmmmm rough idle? Adder if you could see the horror that is my wiring you wouldnt believe my car ran
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Old 06-13-2007, 04:49 AM
  #13  
AdderMk2
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Default RE: Mustang Idle Problem Fix

I wouldnt bother trying to fix the wiring... I'd start from scratch
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Old 06-13-2007, 04:53 AM
  #14  
86 5.0L
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Default RE: Mustang Idle Problem Fix

yep, I plan to replace the harness once I locate a cheap one[8D]
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Old 06-13-2007, 10:18 AM
  #15  
piedraco
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Default RE: Mustang Idle Problem Fix

i have a full 5.0 harness that i pulled out of a crown vic with no MAF so im guessing its speed density if anyone wants it let me know. its fuel injected
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