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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 414 (Engine Control System - DTC) >> DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: Multiple Cylinder Misfire, No. 1 - 6 Cylinder Misfire >> Diagnostic Procedure >> 1. Check For Intake Air Leak And PCV Hose

1. Check For Intake Air Leak And PCV Hose

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and run it at idle speed.
  2. Listen for the sound of the intake air leak.
  3. Check PCV hose connection.

OK or NG 

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