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Home >> Kia >> 2017 >> Optima LX 1.6T >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (3 Of 3) (Except HEV) >> DTC P2195: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 1) >> Component Inspection

Component Inspection

■ Visual Check - HO2S (S1) 

  1. Ignition "OFF" and disconnect HO2S (S1) connector.
  2. Check that HO2S (S1) is contaminated or damaged by foreign materials.

    YES 

    • Go to "Check PCSV" as follows.

    NO 

■ Check PCSV 

  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. Ignition "ON" & ENG "OFF"
  3. Perform "ACTUATION TEST " for PCSV.
    Fig 1: Screen Display - Canister Purge Valve Actuation Test
    G12140897Courtesy of KIA MOTORS AMERICA, INC.
  4. Ignition "OFF"
  5. Disconnect PCSV connector.
  6. Measure resistance between power and control terminal of the PCSV. (Component Side)

    Specification:  Approx. 2.0kΩ [20°C (68°F)]

    Fig 2: Screen Display - PCSV Resistance
    G12140898Courtesy of KIA MOTORS AMERICA, INC.

    YES 

    • Go to "Check injector for normal operation" as follows.

    NO 

■ Check injector for normal operation 

  1. Connect KDS/GDS to Data Link Connector (DLC).
  2. Perform "ACTUATION TEST " for Injector.
    Fig 3: Screen Display - Injector Disable - Cylinder 1, 2, 3, 4 Actuation Test
    G12140899Courtesy of KIA MOTORS AMERICA, INC.
  3. Check its RPM decrease when doing the injector's actuation test.
  4. Is there any cylinder with no change in RPM or only a small change in RPM?

    YES 

    NO