LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2006 >> Rio Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) >> System Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

System Inspection

  1. Exhaust gas system check.
    1. Visual check.
      • Check air leakage at junction of HO2S or Catalyst converter.
      • Check looseness, poor connection, or damage.
    2. Is there something wrong?

      YES 

      NO