Where is pressure regulator on 2002 GMC Sonoma V6?

On a 2002 GMC Sonoma with a V6 engine, the fuel pressure regulator is typically located on the fuel rail, which is mounted on the intake manifold. It can be identified as a small cylindrical component with a vacuum line attached to it. To access it, you may need to remove any engine covers or components obstructing your view. Always ensure the engine is off and cool before performing maintenance.