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Coolant temperature sensor

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Old Oct 8, 2022 | 05:44 PM
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Default Coolant temperature sensor

What causes the coolant temperature sensor to go bad? I have a 2016 Stingray and I have had to replace 2 in 2yrs.
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Old Oct 8, 2022 | 07:56 PM
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Are you using OEM parts?
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Old Oct 8, 2022 | 08:08 PM
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ACDelco
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Old Oct 8, 2022 | 08:15 PM
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Are you sure its your sensor and not something else? What are the symptoms? I still have my original on in my 16
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Old Oct 8, 2022 | 08:21 PM
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The temp. gauge doesn't register, it stays on zero and the coolant fan stays on and will not cut off unless you disconnect the battery.
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Old Oct 8, 2022 | 08:35 PM
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That is a weak thermostat. I have had the same issue. AC doesnt work either. Changed out thermostat and its working fine. Best place to buy a thermostat is Rock Auto

Last edited by CorvetteMike2024; Oct 8, 2022 at 08:41 PM.
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Old Oct 8, 2022 | 08:56 PM
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Did you change it yourself or take it somewhere? And would you happen to have the part number?
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Old Oct 8, 2022 | 09:32 PM
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I did it my self. Its pretty simple. Mine is a 16 base Non Z51

The part number at Rock Auto for mine is GM GENUINE 1511113

There is a sticky I followed here. The OP used a 160 stat but stock stat is same install.

HOW TO: Installing a new LMR 160° Thermostat and Housing - CorvetteForum - Chevrolet Corvette Forum Discussion

Good luck.


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Old Oct 9, 2022 | 08:50 AM
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Originally Posted by Buckner21
The temp. gauge doesn't register, it stays on zero and the coolant fan stays on and will not cut off unless you disconnect the battery.
It's probably the thermostat, as others have said.

If you had removed the existing sensor and then put it back (the same sensor), odds are the car would run correctly, just like REPLACING the sensor.

The steps used to remove/replace the sensor reset the system and it works until the THERMOSTAT doesn't open as fast as the computer expects on cold start, and the computer then sets the undertemp code causing your symptoms. It's probably not the sensor.
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Old Oct 9, 2022 | 05:26 PM
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My 2016 did the same thing about 14 months ago.
We were on a trip and suddenly lost the temp gauge.
Went to Chevy and bought the sensor.
On the trip home discovered that the temp gauge never got to 190.
Bought a new T-stat from GM. You get the whole assembly, not just the thermostat it self.
Easy R&R.
Been fine ever since.
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