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Home >> Nissan-Datsun >> 2004 >> Maxima SL, RE4F04B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC >> DTC P0138, P0158: Ho2S2 >> Diagnostic Procedure >> 4. Check HO2S2 Connector For Water

4. Check HO2S2 Connector For Water

  1. Check HO2S2 connectors for water.
    1. Water should not exist. 

OK or NG 

  1. OK: GO TO 5.
  2. NG: Repair or replace harness or connectors.
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