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Need help on Pontiac 3.8L

Tags:
  • Cooling
  • Temperature
Last response: in Cars
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August 15, 2014 8:33:33 AM

Besides the relays, what would prevent the cooling fans from coming on at operating temperature on 1999 Pontiac Grand Prix SE 3.8L engine?

More about : pontiac

August 15, 2014 8:43:44 AM

Wrong thread, wrong forum, wrong website. :D 
Please visit pontiac owners forum.
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August 15, 2014 3:10:11 PM

kajjot:
Actually it might not be the best website for car issues but it is the right thread and in the proper spot in the forum. Please look at sub forums as there is a whole beyond the keyboard section which has a car section.
OP:
The fan is controlled by a temp sensor. If you unplug it the fans should turn on which will tell you that the sensor is bad. You also might have an airlock. Temp sensors don't work in air so if there is an air pocket by the sensor it won't work.
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August 16, 2014 4:41:12 AM

would that be the water temp sensor in the engine itself ?
also would a issue with the fans show up in the trouble codes ?
I thank you for your assistance, much appreciated
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August 16, 2014 7:34:10 AM

I'm not sure with the sensor. It's most likely a separate one used for the gauge. Usually it's more of a switch than a sensor. It would probably not bring up a code either.
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