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Home >> Mazda >> 2011 >> 3 Mazdaspeed, 2.3 3 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [L3 With TC] >> Mass Air Flow (MAF) Sensor Inspection >> Visual Inspection
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Visual Inspection

  1. Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [L3 WITH TC] ).
  2. Disconnect the negative battery cable.
  3. Disconnect the MAF/IAT sensor connector.
  4. Remove the MAF/IAT sensor. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION ).
  5. Visually inspect the MAF/IAT sensor for the following: