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Home >> Kia >> 2021 >> Niro Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (2 Of 6) >> DTC P016B-00: Closed Loop Air/Fuel Ratio Control At Limit-System Too Rich >> Wiring Inspection >> Basic Inspection >> Inspection Procedure
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Inspection Procedure

  1. Check fuses and relays.
  2. Check auxiliary battery terminals and charge status.
  3. Check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage.

    Good 

    No Good