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eduardocastrejon

03-25-2020 01:42 PM

8d code activation Electric fan

Please help me with this

The auxiliary electric fan is working all time

Code 8d
2002 x5 4.4

Is this problem related to lower hose temp sensor ?

eduardocastrejon

04-09-2020 11:50 PM

Bump

80stech

04-10-2020 12:27 AM

It could be that your sensor is faulty or there is a poor connection. If I remember correctly, disconnecting the sensor will cause the fan to run.

EODguy

04-10-2020 01:28 AM

Yes it will cause it to run when disconnected and if the plug looks good and was working previously AND you've done some work in there recently, check for a broken wire ( don't ask how I know)

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Clavurion

04-10-2020 07:18 AM

Is the fan running also when ignition is turned off or only when ignition on pos. 2?

eduardocastrejon

04-10-2020 10:31 AM

Only when ignition is on

Clavurion

04-10-2020 01:15 PM

Quote:

Originally Posted by eduardocastrejon (Post 1181168)

Only when ignition is on

Then most likely like suggested lower coolant hose temp sensor or it's wiring.

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