Fuel Pressure Test Port: Service and Repair

Fuel Rail Assembly:

CLEAN
Area around fuel pressure connection with GM X-30A or equivalent.

REMOVE OR DISCONNECT
1. Negative battery cable.
2. Perform the Fuel Pressure Release Procedure.
3. Fuel pressure connection valve assembly.

INSTALL OR CONNECT
1. Fuel pressure connection valve assembly.
2. Tighten fuel filler cap.
3. Negative battery cable.

INSPECT
Turn ignition switch to the "ON" position for two seconds, then turn to the "OFF" position for ten seconds. Again turn to "ON" position, and check for fuel leaks.