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August 22nd, 2010, 09:55 AM
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#1 |
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Regular
2000 Mustang v6
Join Date: Sep 2009
Location: Philadelphia, PA
Posts: 198
 iTrader: 0 reviews
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Idling problem-car drops down to 500rpms at neatral
When Im driving and stoping at a red light I put the car in neutral and im coasting and my rpms will drop down to 500 and make a noise like its stuck and until I stop it will go back up to normal.
I was stalling out before and Ive replaced the IAC and PCV valve. Sometimes at start up it will drop down to 500 and bounce back up to 1000. What can this be its driving me crazy? EGR valve? |
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August 22nd, 2010, 01:30 PM
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#2 |
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MM's Official Lucifer
'00 3.8L & '05 4.6L
Join Date: Apr 2008
Location: Odessa, FL
Posts: 3,620
iTrader: 0 reviews
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What trans?
__________________
"Fast she goes...in the city of Overdose"
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August 22nd, 2010, 01:37 PM
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#3 |
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Hardcore Enthusiast
1999 Mustang v6
Join Date: May 2010
Location: Clearwater, FL
Posts: 1,725
iTrader: 0 reviews
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EGR could cause Idle problems if it's staying open.
__________________
I went to school to be a mechanic, so I know what I'm talking about most of the time. mods in the garage, slowly getting peppier. 6ershootout.com summer of 2012... Be There |
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August 22nd, 2010, 09:56 PM
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#4 |
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Regular
2000 Mustang v6
Join Date: Sep 2009
Location: Philadelphia, PA
Posts: 198
iTrader: 0 reviews
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2000 v6 manual trans
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August 22nd, 2010, 10:02 PM
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#5 |
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Hardcore Enthusiast
1999 Mustang v6
Join Date: May 2010
Location: Clearwater, FL
Posts: 1,725
iTrader: 0 reviews
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IDK mine actually does the opposite, it will stay at 1000 til I come to a stop.
__________________
I went to school to be a mechanic, so I know what I'm talking about most of the time. mods in the garage, slowly getting peppier. 6ershootout.com summer of 2012... Be There |
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August 22nd, 2010, 10:29 PM
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#6 | |
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Dancing Naked In The Rain
Join Date: Oct 2009
Location: Ozark, MO
Posts: 15,719
 iTrader: 0 reviews
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You could try cleaning the TB. Might be sticking and not opening enough at idle.
__________________
My Hubpages
 McQueen's Rattle Can Painting Process
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August 23rd, 2010, 08:48 AM
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#7 |
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Enthusiast
99 mustang v6
Join Date: Mar 2010
Location: alabama
Posts: 643
iTrader: 0 reviews
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mine does the same when i goto stop, push in the clutch, and right when i stop completly it drops to 500rpm then back up once =\
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August 23rd, 2010, 11:22 AM
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#8 |
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MM Fanatic
KB'd GT
Join Date: Nov 2006
Location: San Diego
Posts: 4,467
iTrader: 3 reviews
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Clean the IAC.
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August 23rd, 2010, 12:58 PM
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#9 |
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I Post Entirely Way Too Much
2004,1994,1967
14.37 @ 96
Join Date: Aug 2008
Location: Texas
Posts: 6,018
iTrader: 1 reviews
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Operator Malfunction ? Ive had that go out on me several times in the past ??
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August 23rd, 2010, 11:55 PM
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#10 |
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Enthusiast
99 mustang v6
Join Date: Mar 2010
Location: alabama
Posts: 643
iTrader: 0 reviews
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i cleaned the iac and it got better... i did have the iac code but havnt gotten it rechecked after cleaning it..
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