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Lost A/C and coolant temperature at the same time.

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Old Sep 13, 2008 | 10:18 AM
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Default Lost A/C and coolant temperature at the same time.

So, driving to work, my a/c suddenly stops being cold, and I notice my coolant gauge is now reading completely cold.

I know the temp gauge was working when I left, since I don't drive away until the car's temp gauge starts to move up a bit.

Factory gauge on a 2006 GTO.

The gauge still has power, and all the other gauges work fine, but it's like this gauge isn't getting a reading.

I'm wondering if since it's not getting a reading, if maybe the a/c won't engage the a/c clutch since it can't tell how hot the car is.

Just guessing here, gonna put in a new coolant sensor since it only costs like 15 bucks.
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Old Sep 13, 2008 | 10:37 AM
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ok fixed. It was the coolant sensor. 17 dollars and 5 minutes of work. Yay for do-it-yourself
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Old Nov 23, 2014 | 04:06 AM
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Hi, my GTO 2006 water pump started leaking, havent replaced it yet but I been driving an refilling the the coolant as it lowers, for maybe a few days before i take it to replace, but all of a sudden the coolant temp gauge stopped working. Where is the temp sensor mounted ? (you mentioned your have replace it...) . Is it in the in the radiator iteself, or in the water pump, or ?.... Thanks
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Old Nov 24, 2014 | 11:06 PM
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Your likely to catch some flak for posting this type of question here...But the short answer us the coolant sensor it's in the passenger side cylinder head. I'd probly get a manual I'd I were you, or have a buddy help.
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