Buy a new one, drop the tank, remove the old one, and install the new one. That is assuming you know for sure it is bad. Check the fuse and fuel pump relay first. Also replace the fuel filter.
On a 1993 Mercury Grand Marquis : The electric fuel pump is INSIDE the fuel tank
In the fuel tank
The fuel pump is inside the fuel tank.
Inside the fuel tank.
In the fuel tank.
It is inside the fuel tank.
The electric fuel pump is inside the fuel tank
the fuel pump is located inside of the gas tank.
do you have to remove fuel tank to replace fuel pump
It's in the tank.
Inside and on top of the fuel tank.
On a 2001 Mercury Grand Marquis the electric fuel pump is INSIDE the fuel tank The fuel tank is mounted vertically just behind the rear wheels and the fuel pump is mounted high on the side of the tank facing towards the front of the vehicle