The top end of the technology ladder is held by a scan tool. This car diagnostic tool plugs into the OBD-II port (“OBD” is an acronym for on-board diagnostics, and the “II” designates the second ...

We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

If your PC restarts unprompted, freezes, or programs crash, you could have a RAM problem on your hands. To find out whether RAM really is the problem, you can use your PC’s memory diagnostics tool to ...

Your check engine light can come on a host of reasons, ranging from a loose gas cap to a faulty engine component. If you see a light illuminated on your dashboard, you can use an OBD2 scanner to ...

Tesla is possibly the only car company in the world that offers free service manuals and easy access to its proprietary diagnostics software. The latter is called Tesla Toolbox, and anyone can buy a ...