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Electric Fan Sensor 900

posted by  someone claiming to be RR on  Tue Jun 12 09:41 CST 2012 [RELATED]

'92 940 B230F

Electrical Fan Sensor:

Anyone know the ohm readings for this sensor? About 8 months ago this sensor kept blowing out because of exhaust leaking into coolant system.

Ive since replaced the head gasket and car has been running well for many months but my electric fan is coming on ALOT more than it used to. I drive for 5mins and the thing comes on, everytime I stop it comes on. Prior to HG the fan rarely came on.

I have done a few coolant flushes and I dont loose any coolant etc. Engine temp is steady and never moves past midway of the gauge.

I am thinking that this sensor has gotten messed up by being ejected from the radiator 3-4 times and was wondering what its ohm reading should be at different temps?

Car has brand new 'Volvo' Thermostat (187 degree)
Water pump was replaced when HG was done (NAPA Water Pump)

Thanks in advance!






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