gas line filter on 2001 Buick LeSabre

were is the gas line filter located

Asked by for the 2001 Buick LeSabre
The fuel filter is under the car at the rear at the left hand frame rail you need special quick disconnect tools to remove the filter, the tools are cheap about $15.
2 answers
Car runs, but die's every few minutes, Ive had MAFV,and crank-sensor,as well as coil-pack, replaced, what next ? gas-filter ?