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Home › Kia › 2015 › Sedona EX › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (1 Of 4) › DTC P0133: O2 Sensor Circuit Slow Response (Bank 1/Sensor 1) › Component Inspection › Visual Check of HO2S (B1S1)

Visual Check of HO2S (B1S1)

  1. IG "OFF" and disconnect HO2S(B1S1) connector.
  2. Check that HO2S(B1S1) is contaminated or damaged by foreign materials.
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