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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Control System (Service Information)) >> Mass Air Flow (MAF) Sensor Inspection >> Visual Inspection
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Visual Inspection

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. (Refer to NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  2. Remove the MAF sensor/IAT sensor No. 1. (Refer to MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO. 1 REMOVAL/INSTALLATION .)
  3. Visually inspect the MAF sensor for the following: