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Engine cooling fan not functioning?

Tiny
BLESSING EWOBOR
  • MEMBER
  • 2012 FORD F-150
  • V6
  • TURBO
  • AUTOMATIC
  • 235,345 MILES
Hello, the vehicle had a blown head gasket, it had been replaced but it was observed that the engine cooling fan is not functioning, even when the A/C is put on, none of the fan is rotating. All fuse has been checked, and they are in good condition.
What could have been the cause?
Could I have the wire diagram for the system?
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Sunday, December 1st, 2024 AT 7:55 AM

10 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
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It can be the cooling fan motor itself; does it seem to spin freely? There is only one fan that will run, the PCM turns on the other fan if the engine is super-heated. There are fuses that need to be checked which are in the wiring diagram for the fuses.

This guide can help:

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Check out the images (below). Please let us know what happens.
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Sunday, December 1st, 2024 AT 12:47 PM
Tiny
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Thank you very much.
The cooling fan is rotating properly when connected directly to the battery.
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Monday, December 2nd, 2024 AT 9:07 PM
Tiny
KEN L
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Okay, good, did you check the fuses in the wiring daigrams above?
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Tuesday, December 3rd, 2024 AT 9:55 AM
Tiny
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Yes, I did, I checked the fuses, and they are in good condition.
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Wednesday, December 11th, 2024 AT 4:51 PM
Tiny
KEN L
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Okay, I would use a scanner to see how hot the PCM thinks the engine is. You may have a cylinder head temperature sensor that is not good. Here is the location and a guide to help us see what's going on.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please let us know what happens.
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Thursday, December 12th, 2024 AT 12:37 PM
Tiny
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Hello, at what temperature is expected for the fan to comes on?
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Saturday, December 14th, 2024 AT 5:44 PM
Tiny
KEN L
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They should come on at 210 - 212 degrees, what does the scanner say the engine temp is?
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Sunday, December 15th, 2024 AT 10:38 AM
Tiny
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Hello,
Do you mean 210 - 212 degree Celsius or Fahrenheit?
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Sunday, December 15th, 2024 AT 9:07 PM
Tiny
KEN L
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Fahrenheit, or about 99 degrees Celsius.
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Tuesday, December 17th, 2024 AT 9:59 AM
Tiny
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Thank you.
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Tuesday, December 17th, 2024 AT 6:13 PM

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