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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 6) (PHEV) >> DTC P0171-00: System Too Lean (Bank 1) >> System Inspection >> PCV Inspection
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PCV Inspection

  1. Ignition "OFF". Remove PCV valve from rocker cover.
  2. Insert a thin tool into the PCV valve from the threaded side and verify that the plunger is moving.
  3. Is the PCV valve moving correctly?

    YES 

    • Go to "next" procedure.

    NO