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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0133, P0153: Ho2S1 >> Diagnostic Procedure >> 9. Check PCV Valve

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9. Check PCV Valve

Refer to POSITIVE CRANKCASE VENTILATION .

OK or NG

OK: GO TO 10.

NG: Replace PCV valve.

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