idling trouble -

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

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Old 05-17-2005, 07:51 PM   #1
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Join Date: May 2005
Location: San Diego, California
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Default idling trouble

when at idle my rpms sink down to almost zero and sometimes it stalls out and sometimes it bounces back to 2000 after stuttering a little bit, its been a little while since i changed the spark plugs, so that might be it. what else could it be and is it expensive to fix. thanks
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Old 05-17-2005, 08:22 PM   #2
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Default RE: idling trouble

Clean your idle air control valve
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Old 05-17-2005, 09:00 PM   #3
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Default RE: idling trouble

yes...someone has had the same problem as me! i think mine works now. has ur car ever stalled out when ur coming up to a light?? do what 02GT said use carberator cleaner that should fix the promblem i havnt had that happen to me since i did that
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Old 05-18-2005, 12:21 AM   #4
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Default RE: idling trouble

I ended up replacing my IAC. Cleaning didn't help.
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