Depending on the vehicle. Most gm,s run off oil pressure. Fords use an inertia switch
SOURCE: mini cooper fuel pump
Dear Customer,
No there is no switch for activate or deactivate your fual pumps ,from company ready made models
so you cant switch off or on,
THNX
SOURCE: Locating fuel shut-off safety switch
The Inertia Fuel shut-off switch on a Festiva.
Is located : In LEFT REAR of Passangers. compartment.
Almost in the rear corner.
I hope you find.
Thank you for use fixya.
SOURCE: View safety shut-off switch
The button is located between the passenger door and passenger seat near the door post. You can't miss it. Its larger than a quarter and has a black rubber boot covering it.
SOURCE: locate fuel filter, and safety switch to fuel pump
The filter is located at the rear seat, you have to remove it first, then you will see a cap attach with some screws. Inside that cap you`ll find the fuel filter. Before you change the fuel filter you have to release the fuel pressure first. To do that, first find the FUEL PUMP RELAY in the main fuse box located in the engine. Once you located open the fuel door and take off the cap and leave it open. Start the engine, take off the FUEL PUMP RELAY and leave the engine stop itself, when this occurs turn off the key, the you can take off the filter and changed it
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