emmissions

Hi Can anybody help me please. My car only has only done 11,000 miles, but a MB specialist says the engine looks like it has done 150,000 miles!! It all started with an error code saying the NOX sensor had a fault. After replacing the first NOX further errors kept occurring. The latest...

Hi there, MOT time here in the UK and I was wondering what tips you all have to get smoke levels down. After fixing all the issues from the first MOT it missed the retest cut off and 140 miles later failed its second full test on emmissions. It failed at 4.93 M -1 with 3.00 M -1, it's an...