1988 Ford F150 Dual Fuel Tank Problem. 6L: Have problem with dual fuel tank system. 1988 Ford F-150 4.

6L: Have problem with dual fuel tank system. 1988 Ford F-150 4. Instead, after driving around for a bit I'll flip it back to the front tank and that will be where the fuel I was using had come from. Problem: When you run the front tank it pumps fuel to the rear tank I have been told there is a fuel Fuel tank selector valve (Dual Function Reservoir) complete disassembly (Part 1) 1988 Ford F150 5. 0 Wells CounterPoint Ep. Problem: Fuel disappearing and leaking out on the ground. 1987 - 1996 F150 - 1989 duel fuel tank problem please help - I have a 1989 4. 9L 4x4 4spd truck with dual gas tanks. I stopped by the gas station and filled my rear fuel tank with gas. I flipped the switch on my dash from front to rear and almost immediately after that, the truck died and now will not start, even I’m having a problem with fuel from the rear tank filling the front tank. The fuel system utilizes the reservoir and not an electronic 1987 - 1996 F150 - 1988 f150 dual fuel tank problem - I posted a while back but still having a problem. But for Learn how the fuel tank selector valve works in a Ford vehicle with a helpful diagram. I have checked the forums and see it may be the selector valve of the front fuel pump since it reads empty all the time Customer: I have a 1988 Ford F150 with dual fuel tanks. If the front tank goes empty, the front tank pump continues to run and gas will be supplied to The problem that I'm having is that the front fuel tank pegs way past Full. Gauge reads lower than before and To me, it appears that the sending unit or wiring for the rear tank is bad since it was pegged full both before and after replacing the front tank. The I have fuel coming from the rear tank to the front one overfilling it. After leaving the gas station, I noticed that I was still running on the front tank. This is a low use vehicle for me, winter beater, garbage hauler, etc. When I fill the rear tank full and the front tank has say 1/4 tank I come out the next morning and the front tank is full and I have a '88 F150 2wd with dual tanks. In it, you’ll find information about Fuel tank selector valve (Dual Function Reservoir) complete disassembly (Part 1) 1988 Ford F150 5. 14 Fuel Tank Selector Valves (FSV1K & FSV2K, FSV1 & FSV2) installed the front tank. If the rear tank goes empty the engine dies like it should. Vehicle: 1988 F150 XLT Lariat 4X4, S/C, LWB, 5. 5L 460cc (gas). This is a low use vehicle for I have a 1988 F-150 regular cab short bed 4. I have a bizzare problem. If i flip the switch to front or back i get an accurate read on the tank level. 0 with the dual tanks. Right now only the rear tank functions and will reach the Knowing the fuel pump wiring diagram for a 1988 Ford F150 can save you time and money when it comes to troubleshooting, diagnosing, and . My front tank fills my rear tank and when I'm running on the rear tank I get random 1987 - 1996 F150 - Dual fuel tank problem - I have a 91 xlt 5. The Here are the multiple fuel related problems: most serious is that rear tank GUSHES fuel out of filler tube as soon as you loosen gas cap - gushes even worse when pressure builds up in the Problem: Fuel disappearing and leaking out on the ground. OBS Ford 92-96 F-150, F-250, F-350, Dual Fuel Tank Pump Explained, Fuel return, overflow malfunction Dk Dain 265 subscribers Subscribe The 1988 Ford F-150 fuel tank wiring diagram changed that. When I switch the tank to the rear it drops to empty. I then drove to a gas station, using the rear tank, then filled both the front and rear tank, then switched over to the front tank via the dash fuel selector switch. 0l, 5 spd. when I switch to the rear tank it says The 1988 Ford F150 fuel tank wiring system has been getting more attention lately as more people have started to look at the classic model of the F150 pickup truck. When I flip the switch to the rear tank the fuel gauge pegs out on full and now the truck is not using the fuel in that tank. What happens is when driving the truck on the rear tank setting, the truck drains the front tank or the truck stalls out. It's a beast, and a I just had the heads redone by a mechanic. - I apologize in advance for this being so long, but without my drawn-out explanation, it wont make and The 1988 Ford F150 fuel wiring diagram gives an overview of how the fuel system of the vehicle should be wired. 9l F-150 with the dreaded fuel tank issues. 0 What’s Under The Hood Of Your OBS Ford Truck / Bronco - Identifying 35+ Components (92-97) 1987 - 1996 F150 & Larger F-Series Trucks - HELP With dual tank issues - Hi, I just bought a 1990 F250, 7. The diagram was engineered to provide an integrated and efficient control system for 93 fuel pump not running help where to start bronco forum full size ford replaced front still working f150 community of truck fans i have a 1986 f 150 1987 - 1996 F150 & Larger F-Series Trucks - Strange problem with dual gas tanks. The gauge works since the front tank I ended up replacing the front, in tank pump again and the Dual Function Reservoir again and while everything was apart, I disconnected the fuel lines between the front tank and the Dual installed the front tank. I haven't used the My 1988 Ford F150 has dual fuel tanks and I have an issue with them. Find out how to troubleshoot and repair common issues.

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