G6 L4-2.4L (2007)
6. Remove the fuel injector wiring harness electrical connector (1) clip from the intake manifold tab.
7. Disconnect the engine harness electrical connector (2) from the fuel injector harness wiring electrical connector (1).
8. Remove the fuel rail bolts.
Important: Use care when removing the fuel rail assembly in order to prevent damage to the fuel injector spray tips.
9. Pull the fuel rail back and upward in order to release the fuel injectors from the cylinder head ports.
10. Remove the fuel rail.