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Home >> Hyundai >> 2018 >> Ioniq Plug-In Hybrid >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) (PHEV) >> DTC P2414: O2 Sensor Exhaust Sample Error (Bank 1 Sensor 1) >> Component Inspection >> ■ Visual Check
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■ Visual Check

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

    YES 

    • Go to "Check HO2S (S1) performance" procedure 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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