Where is the fuel pressure regulator on a 2001 explorer sport trac?

On a 2001 Ford Explorer Sport Trac, the fuel pressure regulator is typically located on the fuel rail, which is situated on the engine. It's often integrated with the fuel injector assembly. To access it, you may need to remove the engine cover and possibly some components around the fuel rail for better visibility and access. Always ensure the fuel system is depressurized before attempting any repairs.