Kia Troubleshooting Questions? Ask a Mechanic
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This code here indicates a fault with pre catalytic converter oxygen sensor.If you already replaced this sensor as it sounds like you have,this can fail soon if the sensor was a faulty sensor that failed soon after install (some cheaper sensors can fail soon after install) or if there was contaminants in the fuel damaging the sensor or an issue with the wiring or connection to the sensor itself.
I would start with checking wiring and connections to the sensor for any issues.If this is all found to be o.k. I suspect it may have failed already and another one needs obtained either from a different source or parts warranty this one from the facility you purchased it from.
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