EVAP Cleaning Procedure

1. Remove the EVAP canister.
2. Turn OFF the main valve on the J 41413.
3. Disconnect the hose from the diagnostic station pressure regulator.
4. Using a section of vacuum hose, connect one end to the diagnostic station pressure regulator.
5. Connect the other end of the vacuum hose to the canister side of the purge pipe.
6. Turn on the main nitrogen cylinder valve and continue to discharge nitrogen for 15 seconds.
7. If the nitrogen does not dislodge the carbon particles, replace the purge pipe.
8. Return the J 41413 to its original condition.
9. Install a new EVAP canister.
10. Install a new EVAP purge valve.
11. Lower the vehicle.
12. Continue with the diagnostic DTC procedure.