For 1990-2009 cars

### Removal Procedure

Notice: Refer to Fuel Pressure Notice in the Preface section.

1. Relieve the fuel pressure. Refer to Fuel Pressure Relief .

Caution: Refer to Battery Disconnect Caution in the Preface section.

2. Disconnect the negative battery cable.
3. Disconnect the vacuum hose from the fuel pressure regulator.
4. Disconnect the fuel return hose from the fuel pressure regulator.
5. Disconnect the fuel rail hose.
6. Remove the fuel pressure regulator.

### Installation Procedure

Notice: Refer to Fastener Notice in the Preface section.

1. Insert the fuel pressure regulator.

Tighten
Tighten the fuel pressure regulator retaining bolts to 12 N·m (106 lb in).

2. Connect the fuel rail hose, the fuel return hose, and the vacuum hose to the fuel pressure regulator.
3. Connect the negative battery cable.
4. Perform a leak test of the fuel pressure regulator with the engine OFF and the ignition ON.