puff

Hi people, I get a fair puff of blueish smoke out the exhaust when travelling at low speed i.e. in a traffic cue or crawling, not very often but noticable. Is this any thing to worry about or is it just normal:shrug: Its a 2.0TDI Cheers Tom

driving home - mate behind me said you've got smoke coming out of exhaust when I put my foot down - My friend blipped the accelerator didn't notice anything until revs got higher and a small black puff of smoke and some popping - done a log(block 20) and noticed under load they were...