6.1K views · 40 reactions | Check engine light on? We’re here to help, with a list of the top check engine light causes. We’ve reached reason #8 – your Fuel Injector. To watch the video, click the link here: https://youtu.be/rTjqVUfTvGU And if you’re in search of check engine light solutions, head to your local AutoZone today and try 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