Originally Posted by
Diesel Submariner
Seeing that the EBPV is designed to close in for faster warm up time by choking off the tubo outlet and only required in proper cold ambient temps, is it at all necessary out here in Aust?
It only actuates when the engine is less than ~5 deg C IIRC.
Its primarily there to get the coolant hot quicker to get the heater working in really cold temps.