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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 394 (Engine Control System) >> DTC P0139, P0159: Ho2S2 >> Diagnostic Procedure >> 7. Check Heated Oxygen Sensor 2

7. Check Heated Oxygen Sensor 2

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Refer to COMPONENT INSPECTION .

OK or NG 

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