LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0139, P0159: Ho2S2 >> Diagnostic Procedure >> 7. Check Heated Oxygen Sensor 2
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.
scientia non olet · About LEMON Manuals