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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) (PHEV) >> DTC P016B-00: Closed Loop Air Fuel Ratio Control At Limit-System Too Rich >> System Inspection >> EVAP System Inspection
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EVAP System Inspection

  1. Refer to CANISTER and visually and/or physically inspect following conditions;
    • Check EVAP canister for fuel saturation. If the EVAP canister is full of fuel, inspect EVAP and fuel system.
    • Remove the manifold side vacuum hose from the EVAP canister purge valve.
    • Using a hand vacuum pump, apply specified vacuum to the manifold side of the valve.
  2. Has any problems been found?

    YES 

    NO 

    • Go to "PCV Inspection" procedure below.