Fuel Pressure Test Port: Service and Repair

Fuel Rail Assembly:

Fuel Pressure Connection Valve Replacement

Removal Procedure

1. Clean the area around the fuel pressure connection with GM X-30A or equivalent.

2. Disconnect the negative battery cable.

3. Relieve the fuel system pressure. Refer to the Fuel Pressure Release.

4. Remove the fuel pressure connection valve assembly.

Installation Procedure

1. Install the fuel pressure connection valve assembly.

2. Tighten the fuel filler cap.

3. Connect the negative battery cable.

4. Inspect for leaks.

4.1. Turn the ignition switch ON for 2 seconds.

4.2. Turn the ignition switch OFF for 10 seconds.

4.3. Turn the ignition switch ON.

4.4. Check for fuel leaks.