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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0133, P0153: Ho2S1 >> Diagnostic Procedure >> 9. Check PCV Valve

9. Check PCV Valve

Refer to POSITIVE CRANKCASE VENTILATION .

OK or NG 

  1. OK: GO TO 10.
  2. NG: Replace PCV valve.
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