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Home › Kia › 2018 › Sedona SX › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (1 Of 3) › DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1/Sensor 2) › Component Inspection › Visual Check (HO2S (B1/S2))

Visual Check (HO2S (B1/S2))

  1. IG "OFF" and disconnect HO2S (B1/S2) connector.
  2. Check that HO2S (B1/S2) is contaminated or damaged by foreign materials.
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