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Home >> Nissan-Datsun >> 2004 >> Maxima SL, RE4F04B >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC >> DTC P1279, P1289: A/F Sensor >> Diagnostic Procedure >> 4. Check For Intake Air Leak

4. Check For Intake Air Leak

Listen for an intake air leak after the mass air flow sensor.

OK or NG 

  1. OK: GO TO 5.
  2. NG: Repair or replace.
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