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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Control System & Fuel System - 4.6L - Introduction (2 Of 2)) >> Repair Instructions >> Evaporative Emission System Cleaning >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the EVAP canister. Refer to Evaporative Emission Canister Replacement .
  2. Turn OFF the main valve on the J 41413-200  . See Special Tools .
  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 EVAP purge pipe.
  6. Turn on the main nitrogen cylinder valve and continue to discharge nitrogen for 15 seconds.
  7. If the EVAP purge pipe is plugged and the nitrogen does not dislodge the carbon particles, replace the EVAP purge pipe. Refer to Evaporative Emission Hoses/Pipes Replacement - Engine/Chassis .
  8. Return the EVAP Pressure/Purge Diagnostic Station to its original condition.
  9. Install a new EVAP canister. Refer to Evaporative Emission Canister Replacement .
  10. Lower the vehicle.
  11. Continue with the published service manual diagnostic DTC procedure.
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