Might be worth checking your breather pipes etc to make sure they're all in order. My mates TDI 150 Golf had the same problem,....HUUUGE plume of black smoke under load. Turns out a breather pipe had popped off causing it to run a bit funky.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.