Usually under vehicle- follow the fuel line from tank
fuel filter is behind the intake
You can find it underneath the air filter box.
The fuel filter of a 1997 Mitsubishi Chariot can be found near the fuel pump motor assay. The fuel filter and the fuel pump motor assay should be enclosed beneath a black, plastic cover.
Its located under the intake manifold
Look under the vehicle - follow the fuel line from the tank
the fuel filter is attached to the fuel pump in the gas tank. those generally get replaced when the fuel pump goes out.
The fuel filter on the 1997 Silverado is located inside of the fuel tank.
On a 1997 Mercury Mountaineer : I assume the fuel filter would be in the same location as a 1997 Ford Explorer : ( underneath the Mountaineer , below the drivers door , mounted on the frame rail )
along the frame towards the back near the fuel tank divers side
drivers side of engine right behind injector pump
If you have a Mitsubishi Motor The fuel filter is onder the hood. right under the washer fluid is.
Try along the frame rail under the driver's area--Follow fuel lines