Originally Posted by
CossieRich
Thanks Matt. It definitely the DPF itself. Removed the pipe that bolts onto the dpf underneath the car. Started her up and voila. She now actually idles and revs and the horrendous noise has gone. So either dpf is completely blocked hence why no exhaust gas could get through the rear exhaust system or the internals in the dpf has collapsed. I now need to buy a new DPF I assume?
I've never seen one not clear through. Worth taking it off and put in a couple of bottles of dpf cleaner in, and then pressure wash it the day after. I think you will need the codes reset and then take it for a blast - 50-60mph in 3rd and stay there for 10 mins or so.
Matt