temp gauge is all the way up

1998 PONTIAC GRAND PRIX
229,000 MILES
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NV_2087@SHOTMAIL.COM
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I have a 1998 pontiac grand prix 3.8 my coolant fan does not work but it does work with the ac I already changed two out of the 3 relays and got nothing so I changed the coolant temp sensor and my temp gauge is all the way up way way up and I know my car

Coolant fan not working and changed coolant temp sensor and my gauge is all the way up even tho my car is cold and won't go back down,
Jan 12, 2012 at 1:04 AM
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SATURNTECH9
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If you unplug the sensor will the gauge drop all the way down?Any codes in the computer?
Jan 12, 2012 at 1:09 AM
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NV_2087@SHOTMAIL.COM
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i think it might have been a defective ECTS because i bought another one at a different merchant and now it reads at it should but my fan is still not working
Jan 12, 2012 at 12:24 PM
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HOMER1967
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there is a seperate sensor for the fan operation.
Jan 13, 2012 at 2:17 AM
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NV_2087@SHOTMAIL.COM
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Where is it ?
Jan 13, 2012 at 3:36 AM
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AAWESOME XANDER
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I am having the same problem with my 98 grand prix.
Feb 7, 2012 at 6:29 PM
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PHILLIPALANHILLIS
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I had that same problem and just drove it it fixed its self
Feb 3, 2013 at 5:23 AM
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HOMER1967
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it is right below the throttle body on your vehicle.
Feb 3, 2013 at 1:24 PM