You must drop the fuel tank.
If its like the 1993 Lumina it's in the fuel tank.
Remove fuel tank for access
Drop fuel tank
No , there is not
NoNo
Haynes Repair Manual covering 1995-2001 Chevrolet Lumina, Monte Carlo and Impala (FWD) page 1-22 says the fuel filter is "mounted to the floor pan just in front of the fuel tank".
Inside the tank.
in your fuel tank
You will have to remove the gas tank and install a fuel module.
in gas tank
"Where is the fuel filter located on a 2001 Chevrolet Malibu?"
GM vehicles do not have a fuel shut off/inertia switch