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Cooling system, check engine light on

Tiny
MICHAEL REED2
  • MEMBER
  • 2010 PONTIAC G6
  • 2.4L
  • 4 CYL
  • 137,000 MILES
My check engine light went on and temperature gauge stopped working. I had the radiator flushed and replaced the thermostat. The temperature gauge works now but the check engine light is still on. Help!
Sunday, November 4th, 2018 AT 9:26 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
It sounds like the engine temperature sensor has gone out but to be sure lets run the codes.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Here is the engine coolant temperature sensor location in case you get a code for the sensor.

Check out the diagrams (below). Please let us know what you find. Cheers, Ken
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Monday, November 5th, 2018 AT 3:02 PM
Tiny
MICHAEL REED2
  • MEMBER
  • 2 POSTS
Thanks Ken,
Oddly enough I woke up this morning and the light was off. Roughly 24 hours. I am not going to fix what is not broke! Lol, Thank you for your prompt reply and I will check into the sensor if it comes back on.
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Monday, November 5th, 2018 AT 3:28 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Good to hear, please use 2CarPros anytime we are here to help.

Cheers, Ken
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Tuesday, November 6th, 2018 AT 9:43 AM

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