Question about 1990 Porsche 944

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No heat while idling

I have heat while driving but no by idling

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Is your fan motor blowing? It could be that the fan has stopped working and you're only getting airflow from the forced air coming through the vents. Set the heater to "recirculate" and see if still get air when you're moving. If not, then your fan isn't working. COuld be a bad fan or a blown fuse. Check the fuse first.

Posted on Dec 30, 2013

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