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Home › Hummer › 2009 › H2 4D Utility Pickup › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 6.2L - DTC P0300 To DTC P0700 › DTC P0442 › Repair Verification

Repair Verification

  1. Seal the EVAP system and use the flow meter on the J 41413-200  , calibrated to 0. See Special Tools .51 mm (0.020 in) to determine that there is no leak in the EVAP system.
  2. Clear DTCs.
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