I have a 2006 Dodge 5.9 Cummins and it has a slightly rough idle and smokes white pretty bad at idle. It was missing bad so I took it to the dealer and they said I had a couple bad injectors, so I decided to replace them all. Now the miss is basically gone but it still idles a bit rough and has a bunch of white smoke out of the exhaust. It was smoking white before the injectors was replaced but now I honestly think its worse. Anyone have any ideas? It seems to drive like normal off idle and the white smoke all but goes away while driving it only seems to happen at an idle.

 

mabe time for a fuel filter

 

Worth a shot. Ill replace it this weekend