Question about 1999 Ford Expedition
The IAC valve is located on the throttle body. Just in case you don't know, the throttle body is when the air duct tube from the air filter ends. Here is a link so you can see what the IAC looks like and know what you are looking for:
It is held on by a couple of screws so it is very easy to change out. Good luck. Thanks for rating my response and for using FixYa!
Posted on Jun 28, 2009
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Posted on Jan 02, 2017
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Mar 19, 2013 | 1997 Ford Expedition
Jan 27, 2013 | 1997 Ford Expedition
is commonly caused by a dirty automatic idle speed control valve and
throttle valve but always run a OBD2 fault code as well as the
cleaning procedure. Buy a can of throttle valve cleaner (do not use
carburetor spray cleaner!) from NAPA or Carquest (made by CRC
chemicals) and spray it into the air intake while the engine is
running, use up about 1/2 the can, engine will try to stall hold the
speed up, shut it down and let it soak for 30 minutes, restart and
blow out the remaining fluid, shut it down and disconnect the
negative battery cable for 5 Min's to reset the base idle control
Oct 14, 2012 | 1997 Ford Expedition
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