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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 >> 1. Check For Intake Air Leak

1. Check For Intake Air Leak

  1. Start engine and run it at idle speed.
  2. Listen for the sound of the intake air leak.

OK or NG 

  1. OK: GO TO 2.
  2. NG: Discover air leak location and repair.
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