Fuel Pressure Regulator: Removal
- Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE under FUEL SYSTEM. Disconnect vacuum hose and fuel return hose from fuel pressure regulator. Fuel pressure regulator is located on end of fuel rail.
- Loosen fuel pressure regulator lock nut and unscrew fuel pressure regulator with "O" ring from fuel rail. Remove "O" ring from fuel pressure regulator.