Where is the fuel pump located for a kia optima 2001 show picture?

Step 1: Open driver's side rear door

Step 2: Look under the mat, on top on fuel tank you will see a access door

Step 3: Unbolt door and pop up

Step 4: Unplug connection and fuel hose connection

Step 5: You may lift fuel pump assembly out now or unbolt lock ring assembly first then assembly will lift out.