How do you change fuel pump 2012 Ford Fusion?

To change the fuel pump in a 2012 Ford Fusion, start by disconnecting the battery and relieving fuel system pressure. Then, access the fuel pump by removing the rear seat or the fuel tank, depending on your model. Disconnect the fuel lines and electrical connectors from the pump, remove the retaining ring, and take out the old pump. Install the new pump by reversing the process, ensuring all connections are secure before reconnecting the battery and testing the system.