Fuel Pressure Regulator Pressure Regulator Spring Valve Diaphragm TO RETURN PIPE FROM DELIVERY PIPE Delivery Pipe Vacuum Sensing Hose No. 2 Fuel Pipe F11683 F11680 ON-VEHICLE INSPECTION CHECK FUEL PRESSURE (See page FI-71) REMOVAL OF PRESSURE REGULATOR 1. DISCONNECT NO.3 PCV HOSE 2. DISCONNECT VACUUM SENSING HOSE 3. DISCONNECT NO.2 FUEL PIPE (a) Place a suitable container or shop towel under the pressure regulator. (b) Remove the union bolt and two gaskets. (c) Remove the clamp bolt of the No.2 fuel pipe. F11661 4. REMOVE PRESSURE REGULATOR Loosen the lock nut, and remove the pressure regulator. F11662