Originally Posted by cossie550+

sounds like the water temp sensor on the back of the head mate, having same prob on mine, the pectel monitor reads 20 deg on start up and just keeps going and going til it gets to 120deg tried 2 sensors and checked the wiring and it still does it, if i plug into a sensor out of the head it stays around 40 deg and runs ok but is obviously overfueling cos the ecu still thinks its not up to temp, fookin nightmare