If you're experiencing fuel delivery problems, the issue isn't likely a manually activated shutoff switch. Instead, you should troubleshoot the problem focusing on these areas:
* Fuel Pump Relay: This is a common point of failure. Locate the relay (often in the underhood fuse box) and try swapping it with a known good relay of the same amperage to see if it resolves the issue.
* Fuel Pump itself: The pump might be failing. This requires access to the tank.
* Fuel Pump Inertia Switch: Some Ford vehicles have an inertia switch (a safety device that cuts power to the fuel pump in a collision) which may have tripped. This is usually found in the passenger compartment, often under the dash or in the kick panel area. Check for a reset button or a switch that needs to be moved.
* Wiring and Connections: Check all wiring and connectors associated with the fuel pump and relay for corrosion, damage, or loose connections.
* Engine Computer/PCM: While less common, a problem with the Powertrain Control Module (PCM or Engine Control Unit) can also affect fuel pump operation. This would usually require a diagnostic scan tool to determine if the PCM is at fault.
In summary: There's no reset button for a fuel pump "shutoff switch" on your truck. Fuel delivery issues need to be addressed by diagnosing the components listed above. If you're not comfortable working on your vehicle's electrical system, it's best to take it to a qualified mechanic.
