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Home >> Kia >> 2019 >> Soul Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 1.6L (3 Of 3) >> DTC P2237: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> Component Inspection >> Heated Oxygen Sensor (HO2S) Upstream (S1) Visual Inspection
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Heated Oxygen Sensor (HO2S) Upstream (S1) Visual Inspection

  1. Ignition "OFF" and disconnect HO2S (S1) connector.
  2. Check that the HO2S (S1) is not contaminated or damaged by foreign materials.
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