Morning all I’m a new member,this issue is ongoing,get this warning about every 2 weeks then it goes when I get down to about 250 miles before restart prevented had car scanned no fault codes for the first 3 scans then got a code for nox sensor position 2 which wasn’t working everything else on the car was fine mate scanned it again and the nox sensor started to work,just wondering has anyone else experienced this any info would be greatly appreciated