PhillipD24
New member
I have a JD 6420 that started running rough replaced both fuel filters. Noticed that fuel does not come out bleeder on filter nearest the cab. Checked fuel pump and it appears to be working good. Can work with filters ie refilling filters and working with bleeder to get air out and tractor will start and run perfect all day long after sitting over night same problem. Have problem with fuel gauge not registering correctly (showing empty) then it goes back to working. Got fuel sensor switch code yesterday and gauge for water in bowl, blinks when running rough. have check fuel lines can't find any leaks, acts like it getting air some where. Anybody have any ideas? What happened to the good ole days before computers.