Where is the fuel pressure regulator 97 gmc sonoma 4.3?

The fuel pressure regulator on a 1997 GMC Sonoma with a 4.3L engine is located on the fuel rail, which is mounted on the intake manifold. It's typically situated near the rear of the engine, attached to the fuel rail itself. To access it, you may need to remove any obstructions, such as the engine cover or air intake components.