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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 423 (Engine Control System - DTC) >> DTC P1279, P1289: A/F Sensor >> Diagnostic Procedure >> 4. Check For Intake Air Leak

4. Check For Intake Air Leak

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.

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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