Question about 2003 Ford Windstar
From your description it probably is an idle air control valve.
This device is computer controlled to allow air flow past the throttle plate when it is closed.
A cold engine needs more fuel to start, so it also needs more air. If this valve is stuck you would need to open the throttle to start it.
There could be other problems but this certainly would be the first thing I would look at.
This problem may not turn on a check engine light either.
This devise is mounted on the intake right at the area of the throttle plate is and is fairly easy to replace. No reprogramming is needed
Thank you for using FixYa.
Posted on Jan 04, 2011
Hi and welcome to FixYa!
Two things to look at... The Fuel pump and MAF (mass air flow) sensor. If the fuel pump is faulty it gives irregular fuel supply that's why you have to step on the throttle. If the MAF sensor is faulty, the idle goes up and down. You will need to replace both to resolve the problem.
Hope this helps and thank you for using FixYa! Have a good one!
Posted on Jan 03, 2011
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Posted on Jan 02, 2017
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