2007 Skoda Superb Problems

My car display indication flashing" emissions workshop" starting and running satisfactory.could u tell me what could be the problem,also sometimes the ABS light also flashing ,

i have a 2007 superb 20lt tdi pd the problem is smoke fills the engine compartment there is no set time or reason for this to happen , no lights come on, on the dash board . It has happened 4 times in a week . We have checked fo...