Usually a bad or failing fuel pump shut off switch will produce a few symptoms that can alert the driver of a potential issue. As the switch has the capacity to shut off the fuel pump, issues with it can potentially lead to drivability and performance issues for the vehicle. The fuel pump switch is an electrical component, and just the same as the rest on the vehicle, over time it can wear out and develop issues. The switch will usually come with a reset button that will reactivate the fuel pump if the switch was tripped. In the event of an accident or collision, where it may be possible for fuel lines or hoses to become damaged, the fuel pump shut off switch will deactivate the fuel pump in order to stop flow and prevent fuel leaks from becoming a potential safety hazard.
Commonly referred to as the inertia switch, the fuel pump shut off switch is designed to shut off the fuel pump when it is detected that the vehicle has come to an unusually sudden, or forceful stop.
The fuel pump shut off switch is an electrical switch that is found on certain vehicles equipped with internal combustion engines.
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