My fh 13 has been de rating,volvo said it was a sensor for piston cooling temp.by the way I run mine with the header tank cap loose,so there’s no pressure in the system,and it wont blow any hoses off.it never gets hot or blows coolant out.
My fh 13 has been de rating,volvo said it was a sensor for piston cooling temp.by the way I run mine with the header tank cap loose,so there’s no pressure in the system,and it wont blow any hoses off.it never gets hot or blows coolant out.