Can you reset a fuel relay switch?
Many vehicle models come equipped with a fuel pump switch, commonly known as the inertia switch. Moreover, this switch cuts off fuel to your vehicle’s engine during a collision to prevent a more serious accident. Either way, you can restore fuel flow to your fuel system by resetting the inertia switch yourself.
What does a fuel pump cutoff switch do?
The fuel cut-off switch is a safety reset switch which starts the fuel pump and allows gas flow to the engine. If you get hit and it is only a minor fender-bender, the fuel pump may shut off; you will know when you try to start the car again and the engine just turns but doesn’t start.
How do you reset the fuel shut off switch on a Ford?
The switch is designed to trip and cut power to the fuel pump in the event of a collision, but you can also trigger it by hitting a large bump or pothole as well. To reset your Ford’s inertia switch, press down on the reset button.
How do you reset the fuel pump shut off switch?
The inertia switch is a security measure implemented by car manufacturers to shut off the fuel supply in case of a car crash or accident where a vehicle comes to a sudden stop instantly. How to Reset Fuel Pump Shut Off Switch Similar to an electrical circuit breaker in your home, you can reset it by pushing the button or pulling the leverage down.
Where do you find the fuel pump relay?
When you shut off the ignition, it powers down the fuel pump. In most vehicles, the fuel pump relay can often be found in the fuse box in the engine bay, which is usually a long black box which contains fuel pump relay along with various other fuses and relays.
What causes a Ford fuel pump to shut off?
If your Ford ever fails to start or stalls on you suddenly, the first thing to check is the inertia fuel shut-off switch. The switch is designed to trip and cut power to the fuel pump in the event of a collision, but you can also trigger it by hitting a large bump or pothole as well.
What happens if the fuel pump relay fails?
If the fuel pump relay fails, the fuel pump will receive no power and will not operate, thus it will be silent. Always start with a visual inspection first before moving on to other tests, which will be specified below.