Onboard diagnostics (OBD) systems have been around since the 1980s and were developed to help limit harmful automotive exhaust emissions. Between 1988 and 1995, U.S.-built vehicles came with what's ...

Whether you know a lot about cars or nothing about them, it's never fun to see the check-engine light—also known as a malfunction indicator light (MIL). This is your car trying to tell you it has ...

A car’s “check engine” light is so mysterious. “Something is wrong!” it visually screams. What is wrong? Is my engine about to explode? Or did I just forget to tighten the gas cap again? The light ...

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 ...

View post: Ford Offers Fresh 2025 Escape PHEV Lease Deal for September Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. It’s ...

At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...