crap y did I read this thread lol I have all these same problems described lol engine light came on when car is at idle it shakes whole car side to side runs bit rough without revs lol. then driving up my drive way it stalled so I started back up big cough of smoke now I have a nice tapping noise in the head lol, is it possible to skip a tooth and change timing causing valves to open and hit piston head?