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Home >> Hyundai >> 2021 >> Santa Fe SE, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.5L (Except HEV) >> Mass Air Flow Sensor (MAFS) >> Repair Procedures >> Inspection >> Component Inspection

Component Inspection

  1. Check the MAFS visually.
    1. Mounting direction correct.
    2. Any contamination, corrosion or damage on connector.
    3. Air cleaner's clogging or wet.
    4. MAFS cylinder's deforming or blocking by any foreign material.
  2. Measure the waveform of the AFS using the diagnosis tool.

    (Refer to - "DTC Diagnosis 2.5L ")

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