
The fuel filter in a Ford E150 Econoline is located under the vehicle, on the driver's side frame rail. It is a cylindrical-shaped housing that traps contaminants in the fuel as it flows from the fuel tank to the fuel injectors. To remove and replace the fuel filter, you will need to relieve the pressure in the lines and remove the safety clips in front of and behind the filter. You will also need a special fuel filter tool, which can be purchased or rented from most auto parts stores. After removing the old filter, you can install the new one by pushing the inlet and outlet lines onto the filter until they lock into place.
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What You'll Learn

The fuel filter is located under the driver's seat
To remove the fuel filter from your E150, you'll first need to locate it. The fuel filter is located under the vehicle, on the driver's side frame rail—it will be under your seat. The exact position depends on whether your fuel tank is in the middle or the rear.
Now, onto the removal process. You will need a special tool for this: a 5/16" Fuel Filter Remover. You should be able to rent or buy this at any local "big chain" parts store. You'll also want to wear eye protection—gas will come out, and you don't want any in your eyes!
Once you have the tool, insert it into the fuel line and push it in as far as it will go. Then, push the fuel line towards the filter, then back and off. It might take a couple of attempts to get the hang of this. Cover the fuel line and filter with a rag to protect yourself from gas spray.
Next, remove the fuel pump fuse from the engine compartment fuse box. Start the engine and allow it to idle until it stalls. After the engine stalls, crank the engine for approximately 5 seconds to make sure the fuel injection supply manifold pressure has been relieved.
Finally, slide the fuel filter out of the bracket. To install a new filter, simply reverse this procedure.
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You will need a special tool to remove it
To remove the fuel filter on a Ford E-150, you will need a special tool. The fuel filter is located underneath the van, on the driver's side frame rail. You can find it by tracing the fuel lines from the driver's door.
The specific tool you will need is a 5/16" Fuel Filter Remover. This tool can be rented or purchased at a local "big chain" parts store. To use the tool, insert it into the fuel line and push it in as far as it will go. Then, push the fuel line towards the filter, then back and off.
If your fuel filter connections have a spring clip, you will need a Spring Lock Tool. This tool can also be purchased at a local auto parts store. The spring clip can be popped off by hand, but the Spring Lock Tool will help with the next steps.
Another tool that can be used is a quick-disconnect tool. This tool is placed over the inlet fitting and pulled toward the filter, releasing the line from the filter. The outlet line can then be pulled off the filter with the same tool.
Additionally, if your fuel filter is secured by flare nuts, you will need flare nut wrenches. Hold the nut on the fuel filter with one wrench, then turn the nut on the fuel line counterclockwise with the other wrench. Repeat this step on both sides of the fuel filter.
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Disconnect the Inertia Switch to relieve pressure in the lines
Disconnecting the Inertia Switch to relieve pressure in the lines is a crucial step in removing the fuel filter of a Ford E-150. The Inertia Switch, also known as the fuel shutoff switch, is a safety feature designed to cut off fuel to the system in the event of an accident.
To disconnect the Inertia Switch, first, locate it. In the Ford E-150, the switch is typically found behind the right front kick panel, near the passenger's feet. You may need to remove the passenger kick plate to access it. This can be done by removing any plastic push-type pins near the front of the panel and then using a flat pry bar to pry it towards the back.
Once the kick plate is removed, you should be able to see the Inertia Switch. It is important to refer to your owner's manual to identify it correctly. After locating the switch, unplug its electrical connector.
Now, start the engine and let it run until it stalls and runs out of gas. This step is crucial to relieving the pressure in the fuel lines. Be cautious, as gas will come out, and you should avoid getting it in your eyes or inhaling it.
After the engine has stalled, you may need to crank the engine for a few seconds to ensure that the fuel injection supply manifold pressure has been fully relieved.
By following these steps, you will have successfully disconnected the Inertia Switch and relieved the pressure in the fuel lines, allowing you to proceed with removing the fuel filter. Remember to always take necessary precautions when working with gasoline, as it is highly toxic and flammable.
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Cover the fuel line and filter with a rag when removing
When removing the fuel filter on a 1999 E150, it is important to cover the fuel line and filter with a rag to prevent gas from leaking out. Gas is highly flammable and toxic, so it is important to take precautions to avoid any spills or leaks.
To remove the fuel filter on a 1999 E150, first relieve the pressure in the lines by disconnecting the Inertia Switch, which is located behind the right front kick panel near the passenger's feet. Then, start the engine and let it run until it runs out of gas. There is a safety clip on the lines in front of and behind the filter; use a screwdriver to pry these off. Next, insert the fuel filter tool into the end of the fuel line to release the "fingers" inside the line. Push the line into the filter while pushing the tool into the line. Cover the fuel line and filter with a rag to catch any leaking gas, and pull the line off the filter. Be very careful to avoid getting gas on yourself or in your eyes.
Once the line is disconnected from the filter, there is just one hose clamp that holds the filter to the bracket. To reinstall the new filter, simply reverse this process. Put the new filter into the bracket, tighten the bracket with a socket wrench, and ensure that the arrow on the filter is pointing towards the front of the van, indicating the direction of fuel flow. Reattach the fuel line and inlet line, which will lock into place once pushed far enough onto the filter. Repeat this process for the outlet line.
After reinstalling the fuel filter, start the van and let it idle for five minutes. Observe for any leaks around the fuel filter. The van may not start right away, as the fuel pump needs to be primed. To prime the pump, turn the ignition key to the "start" position and let the pump run for about five seconds. Turn the key again once the pump is primed, and the van should start.
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Check for leaks after reinstalling the new filter
After reinstalling the new fuel filter, it is crucial to check for leaks before driving the vehicle. Leaks in the fuel system can be dangerous and cause operational issues, so it is important to address them promptly.
To check for leaks, start by inspecting the connections and components around the new filter for any signs of fuel leakage, whether liquid or vapor. Pay close attention to the connectors, O-rings, and the junction between the connector and the filter cover, as leaks commonly occur in these areas. Ensure that all components are securely tightened and seated correctly.
If you notice any signs of leakage, take immediate action to address the issue. Minor leaks at the fuel filter connections may require replacing the O-rings or other components, such as the connector or filter cover. Refer to the vehicle's technical manual or seek professional advice if you are unsure about the necessary repairs.
In some cases, leaks may be due to other factors, such as a faulty fuel pressure sensor or rotted/pinched fuel lines. If the leak persists despite your efforts, it is recommended to consult a qualified mechanic or seek specialized advice to identify and rectify the issue.
Remember, it is essential to address any fuel leaks before operating the vehicle to ensure your safety and prevent further complications.
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Frequently asked questions
The fuel filter is located under the vehicle, on the driver's side frame rail.
You will need a special fuel filter tool, specifically a 5/16" Fuel Filter Remover. You can rent or buy this tool at most auto parts stores.
First, relieve the pressure in the lines by disconnecting the Inertia Switch, which is behind the right front kick panel. Then, start the engine and let it run out of gas. Pry off the safety clips in front of and behind the filter with a screwdriver. Next, push the tool into the end of the fuel line to release the "fingers" inside. Push the line into the filter while pushing the tool into the line, then cover the fuel line and filter with a rag and pull the line off the filter.
After removing the fuel filter, there is a hose clamp that holds the filter to the bracket. Put everything back together in reverse order and check for leaks.
The arrow on the new filter should point toward the front of the van, as it indicates the direction of fuel flow.











































