Temperature sensor

2012 HONDA CIVIC
111,000 MILES • 1.2L • 4 CYL • AUTOMATIC
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JESSYCA LEH
  • MEMBER
  • 1 POST
My low temperature coolant sensor went on, I filled the coolant it went away. I turned the car on this morning and it was back on but it went off as I drove down the street.
Jun 17, 2019 at 1:58 AM
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ASEMASTER6371
  • ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
Good morning,

Your fluid may be low again. Your coolant expands under heat and that's why the light went out.

You need to have the system checked for a leak.

https://www.2carpros.com/articles/radiator-pressure-test

Roy
Jun 17, 2019 at 3:09 AM
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