Originally Posted by the man in black
The oil temp and pressure gauges in these trucks are fake. Unless you have aftermarket. The stock ones are 100% fake.
so you dont believe that the oil pressure cold is around 50 psi and it drops to 35-45 depending on run condition when it gets warmer. I had a '17 duramax that was about the same, acted the same and was confirmed with and edge insight. Why would they make the guages fake?