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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (PHEV) >> Mass Air Flow Sensor (MAFS) >> Repair Procedures >> Inspection

Repair Procedures: Inspection

  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.
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