Hey Guy's I have a buddy that has a 2004 3500 drw 5.9 with auto it's showing following codes p0302 #2 cyl misfire p0461fuel level sensor
p0217 coolant temp p2121pedal pos sensor p2122 same thing
p0148 fuel delivery error truck was running ok and he started hearing wierd noise from turbo area and truck was bleching white n black smoke
when I got over there he started it up and it sounds to me like he has a Dead Cyl I did not hear any noise out of turbo .Any Idea what it might be ?

Thank you in Advance for any help you can supply #@$%!