Inertia Fuel Shut-Off (IFS) Switch
WARNING: This page is about a different car, the 1994 Mazda Navajo and 1994 Mazda B4000. However, it is still accessible from the selected car via links, so may be relevant.
IFS switch is located under dash to the right of transmission tunnel. To reset switch, make sure no fuel leaks are present. Push reset button.