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Old 12-23-2002, 12:07 AM
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oldsouth oldsouth is offline
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Join Date: Feb 2001
Posts: 610
W-140--Any way to test the coolant temp sensor for the a/c system

Is there any way to test the coolant sensor that controls the fans and does it have something to do with the a/c - heat system. All of a sudden my electric fans are running all the time and occasionally the little motor that runs the coolant for the residual heat function runs without pushing the residual heat button when leaving the car. Strange electrical gremlens.
1995 S-350
370K + SOLD
1952 220B Cabriolet
39K kilometers + SOLD
1998 E300D
285K +
2006 E320CDI
130K +
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