Sierra 1500 2WD V8-5.3L Hybrid (2004)
6. Connect the fuel composition sensor electrical connector.
7. Lower the vehicle.
8. Use the following procedure in order to inspect for leaks:
8.1.
Turn the ignition ON, with the engine OFF, for 2 seconds.
8.2.
Turn the ignition OFF for 10 seconds.
8.3.
Turn the ignition ON, with the engine OFF.
8.4.
Inspect for fuel leaks.
