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Home >> Kia >> 2004 >> Rio Cinco, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel System & Fault Isolation >> DTC Troubleshooting >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) >> Inspection/Repair >> System Inspection >> Notes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

System Inspection: Notes

CAUTION: If any codes relating to injectors, HO2S, ECT (Engine Coolant Temperature) Sensor, Throttle Position sensor or Mass Air Flow Sensor are stored, do ALL REPAIRS associated with those codes before proceeding with this troubleshooting tree.
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