Yukon XL 2500 4WD V8-6.0L VIN N (2006)
9. Remove the caps from the fuel rail and EVAP pipe.
10. Connect the EVAP canister purge pipe (2).
11. Connect the fuel feed line (1) to the fuel rail.
12. Install the fuel fill cap.
13. Connect the negative battery cable.
14. Use the following procedure in order to inspect for leaks:
1. Turn the ignition ON, with the engine OFF, for 2 seconds.
2. Turn the ignition OFF for 10 seconds.
3. Turn the ignition ON, with the engine OFF.
4. Inspect for fuel leaks.
