James123

sorry it's diesal

Changed fuel filter drives nice now apart from I'm getting a lot of black smoke when I boost

I've had the egr valve blanked and had a new air mass sensor as light came on dash and computer showed these faults now it boosts fine just jerks when floor it also have abit of smoke when I do thanks also I have checked my service book and fuel filter has not been done since 92000 I'm now on 147000 could this have any thing to do with problem

My a6 jerks when I accelerate hard after first gear if I slowly build up speed it's fine can any one help me please

Hi I have a 2007A6 diesel recently had egr blank and new mass air flow as faults was coming up...car drives fine when accelerate slow but if I accelerate fast in second gear and above in jerks and ideas thanks