I just bought a new 02 GLI (400 kms on it) and am noticing that it runs rough only at around 1000 rpm. The engine light has flashed on a couple of cool mornings. Its either missing or out of balance. The dealer has had it for a week now and is still unable to find the cause. They have replaced the coils, plugs and an injector but problem is still there. They are saying that tomorrow they are going to have to go deeper into the motor. THIS IS SUPPOSED TO BE A NEW CAR! I am worried about the condition its going to be in when I get it back. Any suggestions?