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Home >> Mazda >> 2021 >> 3 Select, 4D Hatchback, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Control System (VIN M)) >> Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor No. 1 Removal/Installation

Mass Air Flow (MAF) Sensor/Intake Air Temperature (IAT) Sensor No. 1 Removal/Installation

WARNING: This page is about a different variant/trim than selected.
NOTE:
  • Because the IAT sensor No. 1 is integrated in the MAF sensor, replacing the IAT sensor No. 1 includes replacement of the MAF sensor/IAT sensor No. 1.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION (US) .)
  2. Disconnect the MAF sensor/IAT sensor No. 1 connector.
  3. Remove the MAF sensor/IAT sensor No. 1.
    G11427394Courtesy of MAZDA MOTORS CORP.
  4. Install in the reverse order of removal.