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Home >> Hyundai >> 2017 >> Veloster Value Edition >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) - 1.6L GDI >> DTC P2237: O2 Sensor Pumping Current Circuit/Open (Bank 1 Sensor 1) >> Component Inspection >> Visual Check
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Visual Check

  1. IG KEY "OFF".
  2. Disconnect HO2S (S1) connector.
  3. Check that HO2S (S1) is contaminated or damaged by foreign materials.
  4. Has a problem been found?

    YES 

    • Go to "Check HO2S (S1) performance" as follows below.

    NO 

    • Substitute with a known - good HO2S (S1) and check for proper operation. If the problem is corrected, replace HO2S (S1) and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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