For 1990-2009 cars

### Removal Procedure

Caution: Refer to Gasoline/Gasoline Vapors Caution in the Preface section.

Caution: Refer to Relieving Fuel Pressure Caution in the Preface section.

1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
2. Disconnect the vacuum line.
3. Remove the retaining bolts.
4. Remove the fuel pressure regulator.

### Installation Procedure

1. Oil the O-rings on the fuel pressure regulator.
2. Install the fuel pressure regulator into the fuel rail.
3. Install the fuel pressure regulator clamp and retaining bolt. Tighten the bolt until the clip comes together.
4. Energize the fuel system.
5. Start the engine and inspect for leaks.