How do you start a Ford diesel after running out of fuel?

If you've run out of fuel in your Ford diesel vehicle, don't worry - there's a straightforward process to get it started again. The key is to properly prime the fuel system to ensure a smooth restart. Here's a step-by-step guide on how to start a Ford diesel after running out of fuel.

Priming the Fuel System

The first step is to prime the fuel system. This involves manually pumping fuel through the system to remove any air pockets that may have formed. Here's how to do it:

• Locate the fuel filter, which is typically accessible under the vehicle or in the engine bay.


• Using a hand-operated fuel pump, slowly pump fuel through the system until you feel resistance and the pump becomes difficult to operate.


• Once the fuel system is primed, you can attempt to start the engine.

If the engine still doesn't start, you may need to repeat the priming process a few times to ensure the fuel system is fully charged.

Bleeding the Fuel System

If priming the fuel system doesn't work, you may need to bleed the air out of the fuel lines. This is a more involved process, but it's necessary if there's a significant amount of air in the system. Here's how to bleed the fuel system:

• Locate the fuel bleed screw, which is typically near the fuel filter or fuel pump.


• Using a wrench, slowly loosen the bleed screw until fuel begins to drip out.


• Allow the fuel to drip until it's free of air bubbles, then tighten the bleed screw.


• Repeat this process for any other bleed screws in the fuel system.

Once the fuel system is bled, you should be able to start the engine without any issues.

Preventative Measures

To avoid running out of fuel in the future, it's a good idea to keep an eye on your fuel gauge and refill your tank before it reaches empty. Additionally, consider installing a fuel level sensor or low fuel warning light to help you stay aware of your fuel level. With these preventative measures in place, you can avoid the hassle of having to restart your Ford diesel after running out of fuel.

How to start diesel after running out of fuel on a Ford?

Best way to start a diesel after it has run out of fuel is to bleed the system. All it takes is a cresent wrench or a 17mm wrench to crack (open) the fuel lines above the injectors until fuel comes out. Work your way from left to right and by the time you get to the third injector it will start.

Will diesel ungel on its own?

Diesel begins to un-gel and return to its normal liquid form when the temperatures go up above 20°F to 32°F. However, to un-gel fuel, human intervention will likely be needed. The fuel cannot just un-gel by itself especially it filters or line are already clogged.

How do you bleed air out of a Ford diesel fuel system?

This is a threecylinder. So we're going to go ahead and bleed the air out of all three injectors go ahead and get a wrench onto the nut on the injector. Go ahead and turn it and you're going to see

How to restart a diesel engine that ran out of fuel?

To start a diesel after running out of fuel, first add fuel to the tank, then purge the air from the fuel system using a hand pump or by cycling the ignition for newer vehicles, and finally, crank the engine. On older vehicles, you may need to manually loosen the injector line fittings to release the air. 
Method 1: For modern diesel vehicles
This video demonstrates how to start a modern diesel engine after running out of fuel: 1mMessick's Farm EquipmentYouTube · Nov 14, 2019

1. Add fuel: Put at least 4-5 gallons of diesel in the tank to ensure the system can be purged. 
2. Cycle the ignition: Turn the key to the "on" position for about 30 seconds, then turn it off. 
3. Repeat: Repeat this process 4-6 times. This allows the electric fuel pump to push air out of the system. 
4. Start the engine: After cycling the ignition, try starting the engine. It may run rough for a few minutes as remaining air is purged. 

Method 2: For older diesel vehicles 
This video shows how to bleed air from the fuel system on an older diesel engine: 53sbriansmobile1YouTube · Dec 24, 2023

1. Add fuel: Refill the tank with fuel. 
2. Locate and use the primer pump: Find the primer pump, often a large button or lever on or near the fuel filter. Pump it until the fuel feels firm. 
3. Locate and loosen the bleed screw: Find the bleed screw on the fuel filter assembly, usually near the primer pump. Loosen it a few turns until fuel without air bubbles starts to flow out. 
4. Tighten the bleed screw: Once fuel flows, tighten the screw. 
5. Crack the injectors: You may need to manually bleed the air from the injectors themselves. Loosen the fuel line nut on the injector for one or two cylinders. 
6. Crank the engine: Crank the engine and watch for air bubbles at the loosened injector line. Once fuel is spraying without air, tighten the nut. 
7. Repeat for other injectors: Repeat the cracking and tightening process for the other cylinders. 
8. Attempt to start: Turn the key and try to start the engine. It may take several cranks. 
9. Use starting fluid (optional): On some older engines, you can use a small amount of starting fluid in the air intake to help with ignition, but use it sparingly. 

Important safety notes:

• Avoid starter damage: Do not crank the engine for more than 10-15 seconds at a time. Allow the starter to cool down for at least 30 seconds between attempts to avoid damaging it. 
• Consult your manual: Always check your vehicle's specific owner's manual for instructions on how to prime the fuel system, as methods can vary significantly between models. 
• When in doubt, call a professional: If you are uncomfortable performing these steps, call a mechanic for assistance.