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Home >> Kia >> 2017 >> Sorento SX, FWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 3.3L (1 Of 3) >> DTC P0154: O2 Sensor Circuit No Activity Detected (Bank 2/Sensor 1) >> Component Inspection >> Visual Check (HO2S (B2S1))

Visual Check (HO2S (B2S1))

  1. Ignition "OFF" and disconnect HO2S (B2S1) connector.
  2. Check that HO2S (B2S1) is contaminated or damaged by foreign materials.
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