Cummins 2005 ISL low power AGAIN!
What we thought was a sticking exhaust brake on our MH is now a, They don't know. The exhaust brake checked out good and functioning properly. $515.67 later and Cummins West thinks it could be a faul...
Forum Discussion
I had somewhat the same problem a few years ago on my 2007 ISL 400. It was slow going from a dead stop, and there was some black smoke. The problem was the actuator for the VGT turbo was sticking.
