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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: No. 8 - 1 Cylinder Misfire, Multiple Cylinder Misfire >> Diagnostic Procedure >> 12. Check Mass Air Flow Sensor >> With GST

With GST

Check mass air flow sensor signal in MODE 1 with GST.

3.8 - 5.2 g.m/sec: at idling 

16.0 - 21.5 g.m/sec: at 2,500 RPM 

OK or NG 

  1. OK: GO TO 13.
  2. NG: Check connectors for rusted terminals or loose connections in the mass air flow sensor circuit or grounds. Refer to DTC P0102, P0103 MAF SENSOR 
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