Fuel Pressure Test Port: Service and Repair

REMOVAL PROCEDURE

TOOL REQUIRED
J 34730-1A Fuel Pressure Gauge

CAUTION: Refer to the Battery Disconnect Caution in Cautions and Notices.




1. Disconnect the negative battery cable.
2. Loosen the fuel filler cap.
3. Remove the left fuel rail cover.
4. Clean the area around the fuel pressure connection with a spray type engine cleaner, GM X-30A or equivalent, if necessary.
5. Remove the cap from the fuel pressure connection valve.
6. Relieve the fuel system pressure.




7. Remove the fuel pressure connection valve assembly 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. Install the left fuel rail cover.
7. Program the transmitters. Refer to Transmitter Programming/Synchronization in Keyless Entry.
8. Perform the idle learn procedure. Refer to PCM Idle Learn Procedure.