Thus, it prevents fuel from being pumped in case of fuel line damage during an accident. Like an electrical circuit breaker in your home, you can reset it by pushing the button or pulling the lever down.Īll modern fuel injection cars are equipped with an inertial fuel cut off switch that shuts off the power supply for the fuel pump if the vehicle is in a collision. Check if there is a leak in the fuel supply, causing low fuel pressure through the fuel rail.Check for clogged fuel filter located in the fuel tank or the engine compartment.Check the fuse for the fuel injector, fuse for electric fuel pump.Check if the fuel pump relay is in place and functional.Check if the battery is charged and working.In you are not sure if the problem is in tripped fuel inertia switch, here are the steps you need to take: How to tell if inertia switch is tripped? 5 Important Steps Before Resetting the Fuel Cutoff Switchīefore pushing the 'red button' of the fuel pump shut off switch, make sure to check if there might be some other problem preventing the engine to start. The reset button is usually marked in red or yellow color so that you can easily spot it and activate it with a gentle push of a button. What is the Fuel Reset Button for?įuel reset button is instantly activated by an impact or crash, and once tripped it stops the gasoline supply to the combustion engine. 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. Many vehicles come with fuel pump shut off switches. This device is analog to an electric fuse, but for fuel, not electricity. What is Fuel Pump Emergency Cut Off Switch?

To start with, I'm going to explain what is the 'fuel pump emergency shut off switch.' Emergency Fuel Shut Off Switch Location on Other Cars.Steps to Locate and Reset Fuel Cut Off Switch on Ford.Important Steps Before Pushing the Fuel Cutoff Switch.What is Fuel Pump Emergency Cut Off Switch?.

2002 ford expedition fuel pump location