Heater blowing cold when idiling - Ford Powerstroke Diesel Forum
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Old 12-06-2012, 06:28 AM
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Heater blowing cold when idiling

I purchased a 2006 F250 6.0 powerstroke with 12k on original motor. Noticed today that my heater is blowing cold when idiling but blows hot when driving. Any advice here for what I should be looking for or concerned with.

Last edited by SavannahMac; 12-06-2012 at 06:53 AM.
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Old 12-06-2012, 06:47 AM
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2006 models are 6.0s bud.

U have to be 2011 and up to have a 6.7. Just FYI.


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Old 12-06-2012, 10:29 AM
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engine is air locked...
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Old 12-06-2012, 07:17 PM
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My old Peterbilt would do this if the Coolant got low,
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Old 12-06-2012, 07:22 PM
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had the same symptoms when my head gaskets were blown. not saying your head gaskets are toast just saying that was a symptom of mine.
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Old 12-06-2012, 07:33 PM
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I'd be checking for an EGR cooler failure.
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