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Engine runs cold
It does take longer to heat up, but it also heats up and then proceeds to overheat if just parked and idling. Any ideas for that?- hmclaughlin67
- Post #6
- Forum: Engine & Drivetrain
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Engine runs cold
OBD-2 says it reaches above 210, I shut it off before it reaches 215. And the gauge is correct, both OBD and the gauge cluster are the same, and when they both say the engine is hot, the heat is hot as well as the upper radiator hose indicating that it is actually hot when it says it is and cool...- hmclaughlin67
- Post #3
- Forum: Engine & Drivetrain
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Engine runs cold
I recently got a 2005 Yukon XL. The engine runs cold all the time, which signals a stuck open thermostat. I’ve replaced it twice, so a total of 3 thermostats, and the problem still happens. It will reach operating temp while in park, but will eventually overheat and the fans never turn on...- hmclaughlin67
- Thread
- Replies: 26
- Forum: Engine & Drivetrain
