Nubira SX Hatchback L4-2.0L DOHC D-TEC MFI (1999)
Fuel Pressure Regulator: Service and Repair
REMOVAL PROCEDURE
CAUTION: The fuel system is under pressure. To avoid fuel spillage and the risk of personal injury or fire, it is necessary to relieve the fuel system
pressure before disconnecting the fuel lines.
1. Relieve the fuel pressure. Refer to "Fuel Pump".
2. Disconnect the negative battery cable.
3. Disconnect the intake air temperature (IAT) sensor connector.
4. Disconnect the breather hose from the valve cover.
5. Remove the air intake tube.
6. Disconnect the vacuum hose from the fuel pressure regulator.
7. Remove the fuel pressure regulator retaining clamp.
8. Remove the fuel pressure regulator by turning it back and forth and then pulling it out.
9. Discard the O-ring.
INSTALLATION PROCEDURE
1. Lubricate a new O-ring. Install the new O-ring onto the fuel pressure regulator body.
2. Insert the fuel pressure regulator into the fuel rail body
3. Install the fuel pressure regulator retaining clamp.
Tighten
Tighten the fuel pressure regulator retaining screw to 12 Nm (106 lb-in).
