From basic code readers to advanced scan tools, the right car diagnostics setup can save you thousands in repairs. By combining key devices like OBD-II scanners, multimeters, and specialty testers, ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

Long gone are the days when you could just walk into any hardware store with a car key and walk out with a duplicate—well, you might walk out with one, but it won’t start your car. If you’ve ever ...

You hear a new, disturbing noise coming from your engine, open the hood, look around, and find nothing. Now what? Before you reach for a conveniently-placed torque wrench to try the ol’ “love tap,” ...

We've compiled a list of some of the best OBD2 diagnostic scanners describing their features, specifications, compatibility, and benefits. The automotive industry has a huge variety of OBD2 scanners ...

Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...

From simple code readers to advanced OBD2 scanners with smartphone integration, modern car diagnostic tools put the power of a mechanic in your hands. Whether you’re chasing down a check engine light ...