I'm not going to guarantee that there aren't errors in either of them, so if you spot something PLEASE contact me to tell me what's wrong. With the fuel lines purged and filter full of fuel, you can move on to purging the air from the Injection System, detailed in this article. 'Ppreciate the help.
The number of gas lines is correct, but the old one only has one wire to it. First off, put fuel in both your diesel tanks. And, all of the 6-terminal switches take the same connector, even the E7. Well, I figured it was about time since I noticed an oil leak on one of the lines the other day. The EEC-V fuel injection system uses a PCM with 104 pins. Im not familiar with a dual tank system. The e-pump has many advantages over the lift pump, which I will detail in a future article. 7.3 powerstroke fuel tank selector valve diagram full. In other words, my return line goes nowhere. Add fuel capacity and eliminate the problematic "shower head" pickup design with our billet diesel sump and new 38 gallon rear tank. First is the question of what tank selector switches were used. The FDA consists of a fuel pump inside a reservoir that is attached to the pump and sender assembly. Due to the continued supply chain issues, the oem pigtail used in our 94-97 sending units are not available in any reliable volume, so we have instead sourced a slightly different pigtail which will replace the chassis side of the sending unit harness.
I've followed the fuel lines and they do not go to any box or valve. The Fuel Tank Selector Valve allows the driver to control which tank is supplying the engine with fuel. There's power to the switch. When the faulted valve is not replaced, engine may run out of fuel and/or the fuel pump may be damaged. So rather than shell out the cash for a new selector valve I started thinking, I could sump both tanks and collect them at a 1/2" T fitting, set up a water and sediment filtration station before going to the mechanical fuel pump. These valves (diesel or gas) are designed for use in applications which involve in-tank fuel pumps, not exceeding the rated pressure of the valve. Further, the to-be wiring for the '85 is actually a 1996 California-spec F250 w/a 460, so I created the schematic on the 1996 tab. Do you have color coding? Important Details: - This is a direct fit for all 1983-1997 F250, F350 factory diesel trucks. Fuel tank selector valve bypass method. If I unplug the selector valve with the truck running, it stays running. Ive been adressing the list of issues with it and i have one with the fuel tanks. And, on a corner not on the side, as it should have been. And, the more I get into it the more complicated I realize it is, so hopefully this info will help you as well as it does me. E-fuel is in my future but for now I need to get both tanks working somehow and get my truck back on the road.
Dimensions: W: 34-3/4" x L: 27" x H: 13-3/4". I can drive it anywhere with the switch in either position and it runs fine but gas is only used from the front tank. So I guess it's time to yank both these valves and replace with a known working six-port valve. On top of the Diesel fuel filter is a Schroeder valve. Diesel Fuel Filter replacement.
In an effort to consolidate information on the wiring, switches, etc on the fuel systems for these trucks, I've created this page. If it doesn't build pressure and no fuel arrives in the reservoir, then you have a rupture somewhere. It also fixed my fuel hushed to where I could read it on the back tank. Rear tank works fine, switch to front tank and give it any throttle and it starves for fuel. Now the front tank doesn't work. Fuel Tank Selector Valve Assembly for Ford Super Duty Trucks. Rear Tank Fuel Pump. That was my issue, and it fixed it immediately. Hold a cup underneath the depressed valve to catch any spraying fuel. Motorized fuel selector valves. Change out the fuel selector switch on the dash. The 38 gallon tank can be used with the stock selector switch and front fuel tank for over 55 gallons of total fuel capacity, or as a single fuel tank to eliminate the selector switch and simplify the fuel system greatly. I hsve 1983 f250 no diesel in 8 lines.