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Home >> Hyundai >> 2021 >> Santa Fe Calligraphy, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Engine Control System - 2.5L (Except HEV)) >> Mass Air Flow Sensor (MAFS) >> Repair Procedures >> Inspection >> Component Inspection

Component Inspection

WARNING: This page is about a different car, the 2022 Hyundai Santa Fe. However, it is still accessible from the selected car via links, so may be relevant.
  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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