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neleschubert5

Kona Oxygen Sensor Heater Failure

I've got a bit of a headache with my 2022 Hyundai Kona Hybrid. Recently, the check engine light decided to grace me with its presence, and after plugging in an OBD reader, it's showing an oxygen sensor heater failure. I've also noticed my fuel consumption creeping up, and the error memory confirms the sensor issue. I checked the wiring and plug as best as I could, but I'm no expert. Has anyone else run into this with their Kona?

Summary of the thread

A 2022 Hyundai Kona Hybrid is experiencing a check engine light due to an oxygen sensor heater failure, leading to increased fuel consumption. The issue may stem from a defective connection to the oxygen sensor. It is suggested to have a professional workshop inspect and repair the connection to resolve the problem efficiently.

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4 comment(s)

paul_meier10

Sounds familiar! I had a similar issue with my Kona. Check engine light and everything. Was the air-fuel ratio acting up too? I remember something about vehicle emissions being affected when mine went bad.

neleschubert5 (community.author)

Air-fuel ratio... hmm, I didn't specifically check that, but given the increased fuel consumption, it wouldn't surprise me. Where exactly did you find the problem in yours? Was it visibly obvious, or did you need to do some serious sensor testing?

paul_meier10

Nah, I'm not that technical either. To be honest, after a bit of poking around, I figured it was beyond my skills. Took it to a workshop, and they confirmed it was a defective connection to the oxygen sensor. They sorted it out pretty quickly. I think the bill was around 95€. I would recommend the same. Better safe than sorry!

neleschubert5 (community.author)

Thanks a lot for the advice! I was hoping it would be a simple fix, but it sounds like a trip to the shop is the way to go. Knowing it's likely the connection helps, and at least I have a rough idea of the cost. Appreciate the insight!

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HYUNDAI

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KONA