Fuel Pressure Regulator: Service and Repair

1. Apply a small amount of clean engine oil to a new 0-ring and insert it to the fuel rail carefully,

CAUTION: Do not let the engine oil get into the fuel rail.

2. If the fuel pressure regulator does not move smoothly, the 0-ring may be folded. Then, remove the regulator to check the 0-ring for damage.
3. Tighten the regulator to the specified torque.

Tightening torque: 8.8 Nm (6.5 ft.lbs.)