Fuel Pressure Regulator: Service and Repair

REMOVAL
1. Disconnect negative battery terminal.
2. Disconnect vacuum hose from regulator -- 4 in image.
3. Remove snap ring -- 12 in image
4. Remove fuel pressure regulator.






INSTALLATION
1. Apply a small amount of clean engine oil to a new O-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 O-ring may be folded. Then, remove the regulator to check the O-ring for damage.
3. Install snap ring