matty0785 have a problem with my newish 2004 signum once its warmed up and you accelerate hard it starts throwing out black smoke any of you guys heard of this before seems like its over-fueling its had fuel pump and presure sensor
rushy Swirl flaps possibly mate. EDIT: LOL, just twigged, you've just posted over on Vec C ? The Advice you got from Benny will be spot on mate.
matty0785 well it turned out it was the lambda probe was buggered and had been for a long time as it had be over fueling realy badly and bore washed the engine ie rings and bores buggered so it went to the auctions