Fuel pump relay.
Fuel pump inertia ( shut off ) switch , blown fuse , bad electric fuel pump , wiring problem
If you mean a inertia switch that shuts off the fuel pump in case of a wreck or something, No. The computer shuts it off if the engine is not running.
There is not one!!! The fuel pump is controlled by the oil pressure. When the oil pressure goes to 0psi the fuel pump shuts off.
the f-150 fuel system shuts off and also does not restart sometimes , i changed the filter and fuel pump and problem still exist. the f-150 fuel system shuts off and also does not restart sometimes , i changed the filter and fuel pump and problem still exist.
Also called the inertia switch, it shuts off fuel to the engine in case of a collision.
If you are thinking of an inertia switch, no.
is there a emergency switch that shuts the fuel pump down
If the vehicle is involved in a serious accident the inertia switch shuts off the fuel pump.
It is an electric fuel pump and does not require priming.Cranking the engine should start the pump to run. The computer shuts it off after 3 seconds if the engine has not started.
It does not have an inertia type fuel pump shut off switch. General Motors uses the oil pressure switch. If the oil pressure drops below 3 psi, it shuts off the power to the fuel pump,
Bad fuel pump or clogged fuel filter are two possiblities. Also one time a friend had the electrical connection to an in tank fuel pump came loose
If a 2000 Pontiac Grand Am shuts off while in drive, there could be a problem with the passlock sensor. There could also be an issue with the fuel pump.