1994 chevy s10 fuel filter location?

The fuel filter location on a 1994 Chevy S10 depends slightly on the engine. However, it's generally found on the frame rail, near the fuel tank, on the driver's side. It's usually a cylindrical canister.

To be absolutely certain, consult your owner's manual or a repair manual specific to your 1994 Chevy S10 and its engine type (e.g., 2.2L, 4.3L). A quick online search for "[your engine size] 1994 Chevy S10 fuel filter location" with images will also likely yield helpful visual results.