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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (Engine Control System Diagnosis (PHEV) (05 Of 10)) >> DTC P0420-00: Catalyst System Efficiency Below Threshold (Bank1) >> System Inspection >> Exhaust System For Restriction Or Leakage

Exhaust System For Restriction Or Leakage

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  1. Visually and/or physically inspect following conditions;
    • Exhaust system between O2 sensor and three-way catalyst converter for air leakage, restriction and damage.
    • Damage and for loose or missing hardware
  2. Has any problems been found?

    Good 

    No Good