Question about 1998 Ford Windstar
You have a vacuum line broken or a bad vacuum switch. I would first inspect all the vacuum lines under the hood. You can also remove the heater control and remove the vacuum hose from the back side. With the engine running you should get a vacuum on on of the vacuum lines to the controller. If you are not getting a vacuum then you will need to find the broken vacuum hose. If you have a vacuum the under the dash on the passenger side you should be able to see either a silver or black vacuum switch with a arm attached to it that operates the vents. It will look like a small cylindrical tube. To see if the vacuum switch is working just simply unplug the vacuum line to it check for vacuum and the if you have a good vacuum plug it back it and the arm on the other end should try to move. If it doesn't thats the culprit.
Posted on Jul 30, 2010
What is cylinder 3 and why is my car stopping all the time?
Posted on Aug 04, 2010
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Posted on Jan 02, 2017
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