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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: No. 1 - 8 Cylinder Misfire, Multiple Cylinder Misfire >> Diagnostic Procedure >> 11. Check Heated Oxygen Sensor 1 Bank 1/Bank 2

11. Check Heated Oxygen Sensor 1 Bank 1/Bank 2

Refer to Component Inspection  .

OK or NG 

OK: GO TO 12.

NG: Replace malfunctioning heated oxygen sensor 1.

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