Question about 2003 Ford Windstar
You have a vacuum leak,defrost is the default postion for no vacuum.
You will need to remove the wiper cowl panel
1.Remove the windshield wiper pivot arms
2.Remove the screws
One of the vacuum lines comes from the intake manifold and the other will go thru the firewall to the controls inside you vehicle. Check these for a leak.
Posted on Jun 24, 2009
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Posted on Jan 02, 2017
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