P0130 Hyundai Accent 2010-2017 02 Sensor Circuit (Bank 1 Sensor 1) Problem

In this video, I explain how to diagnose and repair fault code P0130 (Oxygen Sensor Circuit, Bank 1 Sensor 1) on a Hyundai Accent (2010–2017). I cover how to use a scan tool to monitor live data, test the oxygen sensor (B1-S1) with a multimeter, and inspect the sensor’s wiring and connectors for faults. I also demonstrate the process of replacing the faulty oxygen sensor, clearing the fault codes, and verifying the repair with a road test. This step-by-step guide will help you restore your vehicle’s performance and fuel efficiency.