mobile-menu-icon
GM Authority

2015 Sierra 5.3 thermostat or sensor problem

Viewing 0 reply threads
  • Author
    Posts
    • #744361
      afvet1015
      Participant

      My 2015 Sierra 5.3 temperature gauge has been reading one (ish) line below the normal 210, I was thinking thermostat was the problem but if I sit idle it will bump up to normal which makes me believe its the sensor instead. Any takes?

Viewing 0 reply threads
  • You must be logged in to reply to this topic.

Subscribe to GM Authority

For around-the-clock GM news coverage

We'll send you one email per day with the latest GM news. It's totally free.