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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (2 Of 6) (Except HEV) >> DTC P0130: O2 Sensor Circuit (Bank 1/Sensor 1) >> Component Inspection >> Visual Check (HO2S (S1)
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Visual Check (HO2S (S1)

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