Fuel Pressure Regulator: Removal
WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE . Disconnect negative battery cable. See NEGATIVE BATTERY CABLE under MISCELLANEOUS. Remove mounting the 2 mounting nuts from the injector sight shield (top engine cover). See Figure . Lift the sight shield from the front and pull forward to disengage the rear tab from the bracket.
- Fuel pressure regulator is located on fuel rail. See Figure . Clean any dirt from the pressure regulator. Disconnect the fuel pressure regulator vacuum line. Remove the fuel pressure regulator retainer clip. Pull and twist the fuel pressure regulator in order to remove the regulator from the fuel rail. Use a shop towel to catch any spilled fuel.
- Remove the regulator lower "O" ring. Remove the filter. Remove the regulator upper "O" ring. Remove the back-up ring. Cover the fuel pressure regulator housing in order to prevent contaminants from entering the fuel system.