6.4 heat not working at idle - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 01-24-2014, 05:15 AM Thread Starter
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6.4 heat not working at idle

I don't drive my truck a whole lot but I have noticed this winter that the heat doesn't work at idle and only once you have been driving for 10+ minutes. Even after I have been driving if I stop at a store and let it idle the heat stops again it just blows cold air. Is there a common problem here?

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post #2 of 2 Old 01-29-2014, 04:20 PM
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Check your coolant level..if its low this will happen...then find out why your coolant level is low....
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