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Home >> Buick >> 2009 >> Enclave CXL, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - DTC P0192 To DTC P0629 >> DTC P0442 >> Repair Verification
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Repair Verification

  1. Turn the nitrogen/smoke valve to nitrogen.
  2. Command the EVAP vent valve closed with a scan tool.
  3. Use the remote switch to activate the J 41413-200  . See Special Tools .
  4. Use the remote switch to introduce nitrogen and fill the EVAP system until the floating indicator stabilizes.
  5. Verify the flow meter's stable floating indicator position is at or below the red flag.
  6. Remove the CH-48096  , and connect the purge line to the EVAP purge solenoid. See Special Tools .
  7. Clear the DTCs with a scan tool.
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