6.2K views · 35 reactions | We’re here with the top reasons your check engine light might be on. Starting with reason #1 – your oxygen sensor. If you want to see the full video click the link here: https://youtu.be/xkoQm9PJPz8 And if you’re seeing your light, visit your local AutoZone – where we can help troubleshoot it with our free Fix Finder service. | AutoZone | Facebook

When the check engine light comes on due to a faulty O2 sensor, it can cause poor fuel economy, rough idling, and engine performance issues. In this guide, I’ll show you how to troubleshoot the oxygen sensor step by step, so you can identify the problem early and avoid expensive repairs. Perfect for DIY car owners and mechanics who want quick and effective solutions. | Akwa-Mechanic