Originally Posted by Druthman
So, the latest, let the car run until 110 reached on gauge and was same reading on OBD. Using laser temp reader following results achieved:
Top Hose 78
Bottom Hose 66
Rad top 66
Rad botom 54
Temp Sensor location 82
Coolant expansion tank 87
I’m really scratching my head over this one🤔🤔🤔🤔

Surely the OBD is getting it's reading from the gauge, if the real time reading from the hoses is ok it must be the gauge.

Keith
2013 narrow bodied + 4 Ruby.