Originally Posted by
senix
Be sure to mention that. It points to EGR coolers or the valve. They will need to pressure test the system.
Sometimes moisture buildup in the cac will cause the white smoke as well but you have power loss too so that points to other causes.
What is your fuel ecomony and frequecy of regens?
12mpg and nothing out of ordinary on regen. Except other day when I had trouble climbing hill. I've seen people write about limp mode. Well thats wat comes to mind when trying to get home that day. It goes but at own speed...Truck is straight stock dually 4x4 , 4.10 with138K.