I am a newby to this site and fairly new to a land rover owner. I have a Defender 90 TD5 2003 (pick up) and have been doing various jobs on it. I have one issue that I cannot seem to solve and that is the temp gauge starts in the middle but as it warms up it drops down to cold and remains there. Any pointers? (new gauge and sensor fitted)
I have been looking into it and it seems it may be down to the wrong ECU? has anybody else come across this?
I have check my ECU and it is a NNW004050 (which comes up on a search as a Land rover discovery TD5). what is the correct ECU f