P2251 HYUNDAI - my engine light keeps comeing why would this keep happening?

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OBDIITech · Answer 1 · 2017-06-25T18:57:28+0000

What model is your Hyundai?

P2251 HYUNDAI - HO2S Reference Ground Circuit Open Bank 1 Sensor 1

Read more: https://www.autocodes.com/p2251_hyundai.html

You probably have to start by replacing the front oxygen sensor.