bb45

2000 3500 sport 4x4 24v duelly had fuel return lines changed on engine now truck starts fine when cold same as before but stalls soon after and will restart with a fair amount of turning this is not a big issue now but when it gets to -20c its gonna be a problem im not any ideas what could be wrong the guy who fixed it was just changing rusty lines not a diesel tech and isnt any help i really wish i had done this myself but could not de to a bad back now i get to try to fix someone elses mistakes again any ideas thanks BB