Ford Fuel Tank Selector Valve Problems! [Solved]

The engine will work most efficiency if the fuel tanks get a balanced flow of fuel consistently. And this is the main job of the fuel tank selector valve.

Sometimes the part gets out of order and causes issues such as:

  1. The fuel tank selector valve doesn’t operate.
  2. The front tank is full but still showing out of gas.
  3. The rear tank pours the gas underneath the truck.
  4. 1 or more valves gets blocked due to dirt.

If your Ford is suffering from any of the above issues, then don’t panic. I’ll share the solutions. These are the best ways, that I would try to fix the Ford fuel tank selector valve problems!

4 Ford Fuel Tank Selector Valve Problems & Solutions.

It’s simple to fix the issue by changing parts or doing some thorough cleaning. That means you’ll need to spend a few dollars. However, its still necessary to understand the bad fuel tank selector valve symptoms and finding out what exactly is wrong before trying any fixes. Here are the catches & solutions.

Problem #1: Fuel Tank Selector Valve Doesn’t Operate.

It usually happens either because of the bad wiring or the motor is facing issues. This means you have to concentrate on these 2 things to repair. 

Get the gears and try the given technique to fix this issue:

  • Locate the fuel selector valve.
  • Look inside to the wiring harness of it.
  • If you find any torn-up or damaged wire, immediately change it. 
  • Disconnect the wires and insert them to fit tightly. If still showing the same error, then go to the next step. 
  • Take out the selector valve by unbolting the screws. 
  • Place it in a secure place. 
  • Take a screwdriver to remove the cover and reach for the motor on the right side. 
  • Go to the small motor and inspect it. If it seems burnt smell on the rear side, then replace it by changing the motor.

Problem #2: Front Tank Is Full but Still Showing Out of Gas.

This issue arises due to the valve which is not operating for some reason. It means no fuel is entering the engine through the front tank. 

To fix it, follow the directions:

  • Open the hood and locate the selector valve near the fuel tank.
  • Unplug the wiring tube from the selector valve. 
  • Remove the selector valve by unbolting the screws. Be sure to use a screwdriver for better grip. 
  • Insert the quality selector valve in the place. If you are looking for one, try the ACDelco U7000 Professional Fuel Tank Selector Valve.
  • Attach the bolts and screw them in with the screwdriver.  
  • Plug the wiring harness tube on top of the selector valve. 
  • Close the hood and test if it solves the issue or not.

Problem #3: Rear Tank Pouring the Gas Underneath The Truck.

If you constantly see the fuel dipping under the truck from the rear tank, know that it’s happening due to the failed fuel selector valve. 

Let me show you the repair method:

  • Take out the screws on the top.
  • Then, remove the selector valve.
  • Pull the plate off on the top of the selector valve using slight pressure.
  • Detach the bolt in the middle with a screwdriver.
  • Take out the seal and inspect it.
  • If you find it broken or damaged, replace the gasket.
  • Use a strong adhesive on the surface of the gasket.
  • Attach it to the selector valve.
  • Wait for around 10 – 20 minutes.
  • Re-assemble the parts back to their place.

Problem #4: 1 Or More Valves Are Block Due to Dirt.

It happens because of no circulation of the fuel tank and this further causes the engine to improperly work and reduces the overall riding performance. 

Follow the given steps to solve the issue:

  • Remove the selector valve and its upper section.
  • Use a WD40 penetrating oil like WD40 490057 Spray on the 6 valve’s mouth. 
  • After that, tap continuously on the piece that goes up and down for 4 – 5 seconds. 
  • Again, spray it on the same area and tap on the same piece. 
  • Grab a tissue to remove the liquid that flows.   
  • Insert the gasket sealer to attach the gasket. 
  • Attach all the parts back to their places. 

Frequently Asked Questions

1. Where is the fuel tank selector valve on Ford?

It’s located in the middle of the fuel pump and tank in most Ford trucks. You’ll find it under the hood near the frame rail.

2. What is a fuel tank selector valve?

It is a part that balances the flow of fuel to shift inside the primary tank to the secondary tank in order to fulfill the engine needs. This component usually has a black or silver coating with the 6 valves.  

3. What does a fuel tank selector valve do?

The fuel tank selector valve is connected to the switch accessible that carries the fuel to transfer it from the primary and secondary tank to fuel pipes. Thanks to this part, the truck can work well.  

Ending Notes

Lack of maintenance and improper fueling can cause the Ford fuel tank selector valve problems. In this guide, I tried to present possible solutions to all the common issues which ford faces due to something wrong with fuel tank.

It’s possible that your issue is severe and so above techniques don’t work for you. If that’s the case, call a mechanic to get it fixed in a better way.

Hopefully, this guide has able to give you some insight to handle your current state better. Good Luck!

Leave a Comment