How to Change Hyundai Sonata Oxygen Sensor - Step-by-Step Guide

In this comprehensive tutorial, we'll guide you through the process of replacing the oxygen sensor in your Hyundai Sonata. A faulty oxygen sensor can lead to reduced fuel efficiency and increased emissions, so it's crucial to address this issue promptly. Follow along as we walk you through each step, from identifying the sensor location to the final installation.
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Tools and Materials:
Jack and jack stands
O2 sensor socket or wrench
Wire brush
Anti-seize compound
Safety glasses and gloves
Diagnostic tool (for resetting check engine light)
Important Notes:
Ensure the vehicle is on a flat, stable surface and properly secured before beginning any work.
Use caution when working under a vehicle, and always follow safety guidelines.
If you're unsure about any step, consult your vehicle's manual or seek professional assistance.
Disclaimer
Our videos are for entertainment purposes only. It is recommended that you seek advice or help from a qualified professional while attempting any and all repairs.
Do-it-yourself repairs can involve risk and injury, we assume no responsibility or liability for losses, damages, or injuries that include but are not limited to direct, indirect, special, incidental, actual, consequential, or punitive. All repairs performed by our viewers are at your own risk.
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[@Mr.R2D2]

I have code p0140 no activity detected. I just jacked up my car to realize I don’t have a o2 sensor there. I see the clips on the side to hold the wiring, but I don’t have the slot to insert a new one

[@BosshoggA]

Is this one California emissions?

[@HomeOwnerRepair]

I am not 100% sure if it was. It shouldn't matter if you are just replacing the O2 sensor.