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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0139, P0159: Ho2S2 >> Diagnostic Procedure >> 7. Check Heated Oxygen Sensor 2

7. Check Heated Oxygen Sensor 2

Refer to COMPONENT INSPECTION .

OK or NG 

  1. OK: GO TO 8.
  2. NG: Replace malfunctioning heated oxygen sensor 2.
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