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An OBD2 scanner can be your best friend when it comes to understanding and maintaining your car’s health. From reading trouble codes to monitoring real-time data, these tools help you catch problems ...

Your car’s check engine light doesn’t have to be a mystery. With an OBD2 scanner, you can tap into your vehicle’s computer, read trouble codes, and even monitor live data before problems get worse.

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 ...

Repair Reports generated by the Lemur BlueDriver not only interpret error codes, but suggest causes and fixes. The Smog Check feature can let you know if your car is ...

️ Editor's note: This product category requires new testing about once a year. We'll update this article with the most recent information when it's available. Modern cars are technological marvels, ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

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 ...

Code readers are diagnostic tools that every car owner should consider owning. Having one of these is as important as carrying a spare tire or a fire extinguisher in the trunk. Back in the day, before ...

Yet anyone can get an idea of the problem with a simple check using a tool that can cost less than a pub lunch. Most cars have an On Board Diagnostics (OBD) port, which allows you to plug in a device ...

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 ...