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Greg A
Greg A, Master Troubleshooter
Category: Pontiac
Satisfied Customers: 8917
Experience:  Working with Electronics & Cars for 25+ Years
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were is the cooling sensor located on my 2004 grand am 2.2

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were is the cooling sensor located on my 2004 grand am 2.2

Hello & welcome,


Can you tell us a little more about the issue your are having?


What cooling sensor are you referring to?



Customer: replied 8 years ago.
my fans wont turn on when my car gets to 200 degrees so its the one that is in the area that deals with my fans

Hi again,


I just did a little checking and the manual says that the cooling fans are not supposed to come on until the temperature goes to about 223 degrees (F). This is for the Low speed setting when both fans are ON. If the temperature gets to about 230 degrees, then both fans should be on at high speed.


I can send you the system schematic if that would help. Just let me know.


Thanks, XXXXX

Customer: replied 8 years ago.
my car got upto 230 degrees and the fans didnt kick on but yeah u can send that to me i bought one of those sensors and i would like to put it on biut i need to know were it is located

Hi again - Sorry for the delay.


Here is the schematic for the cooling fans.




As you can tell, the fans are controlled by a few relays and there are a couple of fuses involved too. The PCM is what controls the relays, based on the engine coolant temperature sensor. I believe if the temperature gauge is working inside the vehicle, then the temperature sensor should be OK. But I have included the diagram of the temperature sensor below, just so you will know where it is.




I hope this helps. Please let me know if I can send you more information.


Take Care, Greg A.

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