I've finally managed to find time and swap the sensor, after an adaptation and an EML reset it was ok for 100 miles before the light came back on.

I pulled the Adblue injector at the same time as I swapped the sensor, it looked clean with a light covering of soot that wiped off

20230803_121231.jpg



I've just read the thread again and realised I didnt do a service regen after changing the sensor