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Home >> Hyundai >> 2017 >> Accent Value Edition >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P2414: O2 Sensor Exhaust Sample Error (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.

    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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