Four months since buying a 2014 Mazda 3 2.2-litre diesel and on the day of collection the DPF warning light came on. The garage has attempted to repair this but after several attempts the issue remains. They have cleaned the DPF, replaced a sensor, cleaned the fuel injectors, taken the DPF apart and removed ash from it. They have apparently been in contact with Mazda for guidance. Should weI was able to set the DPF ash value back its previous values per your instructions. I took the car for a drive as soon as I made the ECU reset.. and immediately I noticed the car regen (by the idle RPM being slightly elevated). A few minutes later (the DPF warning light came back on), which was where I was before I did the DPF reset. But I'm
DPF been fitted to meet euro 5 emission requirements. if dpf removed, it wont be euro 5 then. I dont know , do NCT check emissions regarding expected on every car , or there is just one standard for all cars.
This all sounds very familiar. My mother has a 06 Mazda 6 2.0d 143. On December 22nd her dpf light came on followed by the oil light and the car lost power. It was taken to the dealer by Mazda's breakdown service. The garage said it was overdue a service (it wasn't but would have been due in 2,000 miles).
xultz.