On a 2000 Mercury Mystique :
Relay ( R1 ) in the power distribution box ( which is " live " ) located in the
engine compartment is your fuel pump relay
You can view the 2000 Mercury Mystique owners manual online at :
www . motorcraft service . com ( no spaces )
Click on Owner Guides
( the fuses and relays section starts on page 143 )
try checking the fuel filter, it may have been installed backwards.
On a 2000 Mercury Mystique : The fuel pump shut off switch ( inertia switch ) is in the drivers footwell behind the kick panel ( The interior trim panel in front of the door by the drivers left foot , there is an access hole through the panel )
On a 1999 Mercury Mystique : No , the fuel pump shut off switch ( inertia switch ) is a mechanical switch that opens the circuit so no power is going to the electric fuel pump * in the Power Distribution Box ( which is " live " ) located in the engine compartment ( # 9 is a 15 amp fuse for the fuel pump , and relay R1 is the fuel pump relay )
replace the fuel pump, located in gas tank.
Yes , the ELECTRIC fuel pump is inside the gas tank on a 1999 Mercury Mystique
www . motorcraft service . com ( no spaces ) Click on Owner Guides The Owner Guide ( which includes the diagram of the power distribution box in your engine compartment / fuel pump relay location ) can be viewed online ( and if by chance you mean the fuel pump inertia / shut off switch , it will also show the location of that )
Waiting for my answer
THE FUEL PUMP RELAY ON THIS MODEL IS ON THE LEFT BACK SEAT SIDE WALL BEHIND THE PLASTIC COVER
relays just plug in to the fusebox
It could have a pluged fuel filter or a pluged fuel inlet screen. Make sure the fuel pump has a full 12 volts.
In the fuel tank
Pump, fuse, or fuel pump relay.