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

Bullitt idling too high

Old 12-10-2008, 08:55 PM
  #1  
n00n
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Default Bullitt idling too high

What's up, Picked up a 2001 Bullitt not too long ago.

Started having problems with the idle. When I turn on the car it's fine but as soon as I put it in gear and start driving it, it starts idling high at around 2k but it jumps up and down sometimes going as high as 3k rpm and sometimes it goes back to normal.

Somebody suggested that I clean the IAC and that's what I did but that didn't do anything. Should I just try replacing it altogether? Or could there be something else wrong with the car?
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Old 12-11-2008, 12:44 AM
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swarthyfellow
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Check the throttle body itself and make sure it is closing enough. It should almost appear closed. If you were to shine a light through it, with it closed, it would only show just barely around the end. Its something like a gap of 1/100 inches. Is there CEL? It might also be a MAF sensor?
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