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Home >> Saturn >> 2002 >> SC2 Automatic, MP6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Testing & Engine Component Testing >> Emission Systems & Subsystems >> Evaporative Emission System Cleaning >> Cleaning Procedure
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Cleaning Procedure

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