04.5-05 LLY Duramax Powertrain
My 2004.5 LLY has been a great truck for the last 104k, hopefully this is a quick fix! I have done all the maintenance and work to date, but I wanted to find out if I am on the right track for this issue?
With the exception of an LBZ mouthpiece and Banks PowerPDA the truck is stock.
When this...