94 IDI will idle but not stay running while driving
 

i have a 1994 f250 idi turbo, and it will sit and idle all day long but i go to drive it and itll shut off, fuel filter light comes on and shuts down, we put a new fuel filter in it, new lift pump, injector o-rings, and lines, it still wont run down the road, od light comes on also HELP PLEASE URGENT:argh::humm::dang::edit::edit: