Changing the regular did not make a difference. Have ordered be injectors , as this is the only thing in fuel line that has not been changed. I can get it to idle but bit rough , and cannot rev it up at all .

Hello , I have a motorhome that fuel issues ,so had into shop . They changed intank sending unit and pump Changed high pressure pump , new filter , new pressure regulator. And still will not start . Will fire on starting fluid but dies. Fuel gauge on rail read less than10 psi . Jumped pin to...