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Another "Fan working with engine off' problem. S90-V90

posted by  mvi on  Sat Sep 6 09:55 CST 2014
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last visit: Fri Oct 17 21:04 CST 2014
[RELATED]

Our S 90 radiator fan keeps working (and drains battery) with engine off.
When I pull each of the 3 relay connectors the fan shuts off. Also presenting with poor starting.
Otherwise the car runs good.
Ordered a new ECT sensor.
The AC has only one (pressure sensor?) on the evaporator and pulling that one leaves the fan on.
Will buy a code reader today .
Hope the ECT will fix it. Relay seems good.
Any input of y'all greatly appreciated.

BTW pulling the thermostat housing gives you enough room to get to the sensor? Power steering pump seems to be in the way.






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