How do you replace fuel filter on 2006 Nissan Titan?

To replace the fuel filter on a 2006 Nissan Titan, first, relieve fuel system pressure by removing the fuel pump fuse and running the engine until it stalls. Then, disconnect the battery and locate the fuel filter, which is typically found along the fuel line under the vehicle. Remove the old filter by disconnecting the fuel lines and securing clips, then install the new filter in the same orientation, ensuring all connections are tight. Finally, reconnect the battery, replace the fuel pump fuse, and start the engine to check for leaks.