Originally Posted by blackestate
so Chango, What else could be the problem, I have 3 that need changed, as per the dealer...
unless dealer is paying. try this clear codes run two qts tcw3 two stroke oil and a double bottle of cetane boost and change oil and fuel filters and drive it like its a rental run it threw the grears hard full boost to redline, an a long highway ride or pull a heavy trailer on the higway. 6.0 is not made to idle or shift at low rpms. make sure everything is up to snuff trans fluid, coolant, tires