Hi
I brought a 2008 57 plate Audi A4 2.0 tdi sline convertible 115k full service history , remapped last week , private sale so no warranty.
Drive 12 miles and got the dpf light on ***.
Had at my local garage for a read which showed no faults .
He did a forced regen , he said it was only saying 6% soot before the regen .
two days latter the light came on again so I did a run down the m42 at 3k rivs until the light went off .
Another 100 miles I came on again so I replaced the dpf sensor with a new one .
I also removed the egr valve to check that , it was solid with soot and cleanly has not working for a very long time , strangely to error code for this or eml.
I cleaned it up like and new and refitted it and went for a spin , the car definitely drove different I could feel it was not pulling as much fresh air in as it was before , letting off the gas at speed the car would now still roll on with little difference , before it would pull back and slow when you take your foot off the peddle .
So I thought it was all fixed and running well until today , the felt sluggish like the turbo was not kicking in then the dpf light came on again .
20 mins down the m42 it’s off again for now but what’s next the try ????
Any help would be greatly appreciated.