What is the problem with my car now?

What is your question?

i took it in to smog diagnostic,and it tells me to change the cam sensor,knock sensor nd coil.Then it was running but sometimes when you slow down you have a hard time to speed it up again,then 3 motor mounts were changed..what happen now,it starts but not sounds more power like before and when u shift gear to drive or reverse and push gas it is not moving at all..now i dont know why?please help