Hi guys new to this site,having problems with my audi a6 2008 2.0 tdi auto,
engine management light came on,took to garage where they diagnosed air flow meter fault,change it car went ok for few days,then light came back on and also dpf light flashed up,dpf changed jan 2015 at 98000mls,car now done 111,ooo mls,garage then says it egr fault which they stripped and cleaned put back on car went great for few hours,then last power and glow plug light came on and car stopped wouldnt start,towed to garage mechanic took egr pipe off car started but not real power,they say dpf at fault,just wondering if its egr fault(which was well clogged and choked) or if indeed its dpf fault,any ideas/advice would be great,thanks in advance