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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Automatic >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 403 (Engine Control System) >> DTC P0507: ISC System >> Diagnostic Procedure >> 2. Check Intake Air Leak
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2. Check Intake Air Leak

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start engine and let it idle.
  2. Listen for an intake air leak after the mass air flow sensor.

OK or NG 

  1. OK: GO TO 3.
  2. NG: Discover air leak location and repair.
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