About a month ago, I heard a noise coming from what I thought was an internal engine knock, along with a skipping and surging. I limped the truck to the dealer, and after a day they reported back that the # 6 injector connection was loose, and they repaired it. After getting the truck back and driving it approx. 60 miles, I noticed the problem again.Guess what back to the dealer, now the Censored truck has been at the dealer for 8 days, they are telling me that a bearing has gone bad in the turbo, and this is causing, all the problems that, I have been having with the truck. Has any one heard of this problem, by the way it only has 20K miles.

Was it a bearing in the turbo? I think I have this going on with my 01 Duramax right now. Did your check engine light come on also?