Where is the fuel pressure regulator on a 98 Chevy Express van?

On a 1998 Chevy Express van, the fuel pressure regulator is typically located on the fuel rail, which is mounted on the engine. It is often found near the injectors and can be distinguished by a vacuum line connected to it. To access it, you may need to remove the engine cover or other components, depending on the specific engine configuration. Always ensure the fuel system is depressurized before attempting any repairs.