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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 5.0L (3 Of 9) >> DTC P0150-00: O2 Sensor Circuit (Bank 2/Sensor 1) >> Component Inspection >> Visual Check

Visual Check

  1. Ignition switch OFF & Disconnect HO2S (B2/S1) connector.
  2. Check that HO2S (B2/S1) is contaminated or damaged by foreign materials.
  3. Has a problem been found?

    YES 

    • Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR ".

    NO 

    • Substitute with a known - good HO2S (B2/S1) and check for proper operation. If the problem is corrected, replace HO2S (B2/S1) and go to "VERIFICATION OF VEHICLE REPAIR ".
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