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Home >> Kia >> 2020 >> Soul GT Line Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Engine Control System Diagnosis - 2.0L (4 Of 6)) >> DTC P0420-00: Catalyst System Efficiency Below Threshold (Bank 1) >> System Inspection >> Exhaust System For Restriction Or Leakage >> Inspection Procedure

Inspection Procedure

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  1. Refer to appropriate service information and 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