Focus Fanatics - View Single Post - head temperature sensor oil over it!
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Old 01-30-2013, 08:51 PM   #16
amc49
Focus Fanatic
 
Join Date: Mar 2012
Fan#: 96610
Location: Fort Worth, TX
What I Drive: 00 wagon, 02 sedan both zetec atx

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Turning on the motor and then a/c or defrost on may not work to test fans in very cold weather. Even though fans switch on with a/c, they often don't in the cold based on PCM control.
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