It has a fuel filter that is in the fuel tank. Here are the directions for replacement. You will need to remove the fuel pump. The attached pics correlate with the directions.
2010 Kia Rio L4-1.6L
Removal and Replacement
Vehicle Powertrain Management Fuel Delivery and Air Induction Fuel Filter Service and Repair Removal and Replacement
REMOVAL AND REPLACEMENT
REMOVAL (INCLUDING FUEL FILTER AND FUEL PRESSURE REGULATOR)
(1)Remove the rear seat cushion /
(2)Remove the service cover (A).
(3)Disconnect the fuel pump connector (A).
(4)Start the engine and wait until fuel in fuel line is exhausted.
(5)After engine stalls, turn the ignition switch to OFF position.
2. Disconnect the fuel feed line (A) and canister hoses (B).
3. Unscrew the fuel pump mounting bolts (C) and remove the fuel pump assembly.
Install the Fuel Pump according to the reverse order of REMOVAL procedure.
Fuel pump installation bolts/nuts: 2.0 - 2.9Nm (0.2 - 0.3kg-m, 1.4 - 2.2lb-ft)
I hope this helps. Let me know if you have other questions.
Images (Click to enlarge)
Monday, December 7th, 2020 AT 7:45 PM