Hi. I have a qq 1.5 dci acenta tech that is only 18 months old but it keeps blocking the dpf. I do highway driving every second week and followed all the dealers instructions but after 3 or 4 months it goes back again for forced regeneration. So i need to ask if there's anything i can use to clean t...

Hi there. I am driving a new J11 diesel which i had for only two months but it has done this twice. When the engine management light comes on it shows system fault and the stop/start fails. The car also goes to limp mode. When i had the car for 4 days from new; it did it and i was told i am driving ...