None so far except to confirm that the heater on the old sensor was ok at 3.1 Ohms (didn't know at time of changing what pins the heater was on.
I could do with a circuit diagram ( engine code AUM) as it is not on IDC Lite. Normally I double check everything but the moment I took a chance it all went horribly wrong.
I don't know if there is a separate relay for the sensor heaters, I suspect not.
It may or may not be relevant but the heater resistance for sensor 2 was reporting in the region of 200 Ohms and now will not display a value at all. My gut feeling is that there is a common ground or supply that has failed.
I was wondering if there was a known common problem (euphemism for magic bullet).
Shaun