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11-10-2008, 01:12 PM
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#1 | |
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AF Regular
Join Date: Aug 2004
Location: Jonesborough, Tennessee
Posts: 192
Thanks: 2
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'90 LX 5.0L 5-Speed Surging Idle
I replaced the clutch this past weekend and now the engine is surging at idle, maybe ranging from 500 rpm to 1,000 rpm, and will often stall. It does it when it's in neutral or when the clutch is disengaged. After it runs for maybe 5 minutes or so it seems to smooth out and idle normally at about 750 rpm. Prior to the new clutch I noticed this same symptom only when the AC was running. Any ideas as to what is causing this and how to correct it?
Thanks much!
__________________
-1990 Mustang LX 5.0L 5-Speed All Stock!  except the stereo...-2005 Yamaha V-Star 1100 Custom  -2008 Toyota 4Runner Ltd 4.7L AWD  -2019 Subaru Ascent (the wife's) 
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11-12-2008, 07:42 AM
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#2 | |
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AF Regular
Thread starter
Join Date: Aug 2004
Location: Jonesborough, Tennessee
Posts: 192
Thanks: 2
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Re: '90 LX 5.0L 5-Speed Surging Idle
I cleaned my Idle Air Controller (IAC) last night and that seems to have taken care of the idling issue. I found a good resource here:
http://www.muscularmustangs.com/iac.php
__________________
-1990 Mustang LX 5.0L 5-Speed All Stock! except the stereo...-2005 Yamaha V-Star 1100 Custom -2008 Toyota 4Runner Ltd 4.7L AWD -2019 Subaru Ascent (the wife's)
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