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Home >> Kia >> 2007 >> Spectra5 2.0 1, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures >> Inspection Chart For Diagnostic Trouble Codes (DTC) >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) >> Exhaust System Inspection >> Notes

Exhaust System Inspection: Notes

  1. Visually/physically inspect the following conditions:
    • Exhaust system between HO2S and Three way catalyst for air leakage, restriction and damage.
    • Damage, and for loose or missing hardware:
  2. Was a problem found in any of the above areas?

    YES 

    NO