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 ...

It’s something no driver wants to see: a check engine light glowing on the dashboard. You know something’s wrong with your car—but what, exactly? That’s where an OBD2 code reader comes in handy. These ...

Plug in all the things.

The Actron PocketScan Code Reader is small and lightweight. Its interface is easy to use, and the company includes solid diagnostic information on its Web site. The cord on the Actron PocketScan Code ...

Modern cars are basically computers on wheels. With so many electrical systems, sensors, and motors, there’s so much that could potentially go wrong. When something does go awry, pinpointing the ...

If you've been involved in automotive repair for a while, you probably know that modern vehicles use onboard diagnostic (OBD) systems to help notify us when there's a problem. The OBD system works ...

Harbor Freight is known for its wide selection of tools, hardware, equipment, and nearly anything pros or DIYers can imagine. One notable offering is the company's Maddox screen code reader, which ...

A basic OBD scanner can help check a used car, but it cannot reliably prove that the odometer reading is genuine.

There it is. On your dashboard. Staring at you, mocking you, making you plot insurance fraud: your car’s check engine light. That little bugger has been on your dash for weeks now and you haven’t been ...