FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Inertia Fuel Shutoff Switch: Description and Operation



Inertia Fuel Shutoff (IFS) Switch

In the event of a collision, the electrical contacts in the inertia fuel shutoff switch (IFS switch) open and the fuel pump automatically shuts off.

- The fuel pump will shut off even if the engine does not stop running. However, the engine will stop a few seconds after the fuel pump stops.

- It is not possible to restart the engine until the inertia fuel shutoff switch is manually reset.

Caution: Do not reset the inertia fuel shutoff switch until the fuel system has been inspected for leaks.

- To reset the inertia fuel shutoff switch, press the button on top of switch.