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Component Inspection

Inspection Condition	Inspection Procedure	Reference
Ignition "ON". Engine "ON".	Connect KDS to "Data Link Connector (DLC)". Perform "Actuation Test" of concerned component with KDS.	Figure 1 below

G13333768

Courtesy of KIA MOTORS AMERICA, INC.

Good

Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF REPAIR " procedure.

No Good

Carefully re-do this troubleshooting guide steps.
If no problems were found with the circuits or connectors, replace the HO2S (Bank1, Sensor1) and go to "VERIFICATION OF REPAIR " procedure.