1. Refuel: This seems obvious, but ensure you've added a sufficient amount of fuel. Don't just trickle in a gallon; fill it up at least halfway.
2. Prime the Fuel System (Crucial Step): Fuel-injected systems rely on fuel pressure. Running out of gas can leave the system dry, and it might take time to repressurize. There are several ways to help with this:
* Several key cycles: Turn the key to the "ON" position (don't crank) for 5-10 seconds, then wait 10-15 seconds, repeat 3-4 times. This allows the fuel pump to build pressure. Listen carefully; you should hear the fuel pump whirring briefly when the key is turned to "ON." If you don't hear anything, that's a serious problem and you'll need to troubleshoot the pump or relay.
* Manually prime the pump (if accessible): Some vehicles have a manual fuel pump primer button or lever. Consult your owner's manual to see if yours does. This is a more direct way to prime the system.
3. Cranking: After priming, attempt to start the engine. It might take a few cranks to catch. Don't hold the key in the start position for extended periods. Short bursts are better to avoid excessive wear on the starter motor.
4. Check for other issues: If it still doesn't start, consider these possibilities:
* Dead battery: Running the engine for a while will drain the battery if it already had a weak charge. Jump starting may be required.
* Security system: If the truck has an aftermarket or factory security system, ensure the system is disarmed.
* Ignition system: While less likely, a weak spark from a failing ignition component is also possible. A mechanic will need to investigate this.
* Fuel pump relay: The relay may have failed, preventing the fuel pump from activating. This is a common issue.
* Fuel filter: A clogged fuel filter could be preventing the fuel from reaching the engine. However, this would likely be an issue even before running out of gas.
Troubleshooting:
If the truck still refuses to start after trying these steps, you'll need to do some more specific diagnostic checks:
* Listen for the fuel pump: Use a helper to turn the ignition key while you listen near the fuel tank. You should hear the pump whirring for a few seconds. If not, check the fuel pump relay (location varies by vehicle; consult your owner's manual or a repair manual).
* Check for spark: A mechanic can easily check for spark at the spark plugs.
* Check fuel pressure: This requires a fuel pressure gauge and a knowledge of where to connect it; usually at a test port on the fuel rail.
In summary: Running out of gas isn't usually catastrophic, but it can leave the fuel system empty, requiring priming before starting. If the truck doesn't start after trying the above, professional help is advisable. A mechanic can accurately diagnose the underlying problem.
