I'm helping a friend out I have clean the injector and theEGR i cleaned everything that I can think of the tank was nasty I cleaned it it just keep telling me it's code208 the pump what else can I do not a line go from the pump to the injector o-rings in a blowout any suggestions would be helpful if you know where I can get a cheap pump that would be helpful it's for a 2017 Dodge ram 5500 diesel