Engine fans

Asked by Charles Aug 12, 2018 at 11:54 AM about the 2004 Ford F-150 Lariat Ext. Cab

Question type: Maintenance & Repair

Fan runs high losing excileration power when driving , does not shut off at all ,
tempature on engine is normal but reving high when giving it gas,

1 Answer
74,390

OJ answered 6 years ago

Check the temperature sending sensor. If it goes bad, the fan can run on high always. Or, have someone with a live data recorder check the system while the engine is running.

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