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Home >> Kia >> 2018 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Engine Control System (PHEV)) >> Mass Air Flow Sensor (MAFS) >> Repair Procedures >> Inspection
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Repair Procedures: Inspection

WARNING: This page is about a different car, the 2017 Kia Optima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check the MAFS visually.
    • Mounting direction correct.
    • Any contamination, corrosion or damage on connector.
    • Air cleaner's clogging or wet.
    • MAFS cylinder's deforming or blocking by any foreign material.
  2. Check any leakage on intake system and intercooler system.