[[email protected]]

So, 5 seconds after starting the engine my display tells me the engine is too hot switching off A/C but the temp gauge is still down by the “C”. Radiator is full and the water pump pulley spins when the engine is running. I changed out the water pump 3 months ago and no issues until now. Car is driven daily. I’m leaning towards the temp sensor??? Any ideas/knowledge would be greatly appreciated.

 

[rbarrios]

thats what I would think too. faulty sensor

 

[mahidak]

I did not have the same issue but my heat shield on the coolant temperature sensor was broken causing it to melt off. I used this video to change it. I also had to change the wire to the sensor and it was pain in the b. Its an easy job!

 

[[email protected]]

Changed the temp sensor. Didn’t help.

 

[08 BUIC]

Check fuse box for water under passenger foot well. Sunroof drain gets clogged and causes all kinds of issues.

 

[rwagoner]

Probably NOT an issue, but make sure the thermostat isn't stuck shut.