4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Idle Problems

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Old Jan 10, 2007 | 05:11 PM
  #1  
scspeedster's Avatar
scspeedster
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Joined: Aug 2005
Posts: 283
From: Indiana
Default Idle Problems



I have a 2000 SC 4.6 that has decided to not idle anymore. It starts and runs fine and has steadily been getting worse when it comes to idle.

I think it maybe my throttle position sensor, but not sure. Any suggestions?
Old Jan 10, 2007 | 05:36 PM
  #2  
oxfordgt's Avatar
oxfordgt
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Joined: May 2006
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From: Ohio
Default RE: Idel Problems

Clean your IAC.
Old Jan 10, 2007 | 05:39 PM
  #3  
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Machwon
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Joined: Dec 2005
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From: Manhattan, KS & Cortez, CO (summer)
Default RE: Idel Problems

^ x 2
Old Jan 10, 2007 | 05:40 PM
  #4  
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2VNA
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Joined: Feb 2006
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Default RE: Idel Problems

I am happy I have never had that problem, the only time mine idel's bad is when i have a leak in my cai
Old Jan 10, 2007 | 06:27 PM
  #5  
scspeedster's Avatar
scspeedster
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Joined: Aug 2005
Posts: 283
From: Indiana
Default RE: Idel Problems

Thanks for the advice, sorry about the spelling - never was one of my strong points.

It just doesn't idle at all - not rough, just won't stay running at idle.
Old Jan 10, 2007 | 06:38 PM
  #6  
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rbstang
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Joined: Apr 2005
Posts: 5,608
From: Wilmington, NC
Default RE: Idel Problems

More then likely.. a broken IAC or extremely clogged fuel filter... my bet is the IAC considering it usually is the culprit 90% of the time.
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