Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The check engine light by its nature is vague, just a general indication that ...

Q: You have mentioned a scan tool that was not overly expensive but bordered on something a professional would use. What kind was it? When I look online, there are many to choose from. A: Innova ...

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 ...

Q: I am shopping for a used car. What do you think about bringing along a computer scan tool to test the car before buying it? Do you think the dealer or private seller would mind? A: I think scanning ...

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 ...

Gone are the days when you needed a bulky scanner to digitize important documents: Your iPhone is a high-quality scanner that you always have in your pocket. Whether you need documentation for ...

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 ...

Check engine lights are never fun, but having the right tool on hand can make a frustrating situation far easier to deal with. Instead of waiting for an appointment or paying for a quick scan at the ...