Why Is My Check Engine Light On? | Top Causes, Easy Fixes & When to Worry (Mechanic Explains)

Описание: Is your check engine light on and you’re not sure what it means? This video gives a clear, simple, and practical explanation of why your check engine light turns on — and what to do next.

In this easy-to-understand guide, you’ll learn:

✔ Most common check engine light causes
✔ How serious the problem might be
✔ What a solid vs flashing light means
✔ Simple checks you can do at home
✔ When you need a mechanic
✔ How an OBD-II scanner works
✔ How to avoid expensive engine repairs

We break down real reasons your engine light may appear, including:

Loose or faulty gas cap

Oxygen (O2) sensor problems

Mass Air Flow (MAF) sensor issues

Spark plugs & ignition coil failures

Catalytic converter troubles

Vacuum leaks

Emissions system faults

This video is perfect if you want to save money, understand your car better, and avoid panic when that little orange light pops up. The goal is to help you stay safe, protect your engine, and know exactly what steps to take.