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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 P2270: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 2) >> System Inspection

System Inspection

■ Inspect exhaust system leakage 

  1. Is there any problem?

    YES 

    NO