Fuel Pressure Test Port: Service and Repair

REMOVAL PROCEDURE

Tools Required
J 34730-1A Fuel Pressure Gauge

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

CAUTION: Refer to the Battery Disconnect Caution in Service Precautions.

2. Disconnect the negative battery cable.
3. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure. Service and Repair
4. Remove the fuel pressure connection valve using a standard valve core removal and installation tool.

INSTALLATION PROCEDURE
1. Install the fuel pressure connection valve assembly using a standard valve core removal and installation tool.
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.
5. Install the fuel pressure connection valve cap.
6. Perform the Idle Learn Procedure. Refer to PCM Idle Learn Procedure. PCM Idle Learn Procedure