Some service personnel insist that erasing trouble codes for motorists is a valuable courtesy and convenience, but unfortunately, this practice also may be counterproductive. Thinking that they're ...

Before I figured out how to work on cars, onboard computer systems scared me. I’ve had no formal training, after all, so the idea of a car’s complex electricals and countless sensors made DIY work ...

Have your owner’s manual handy. Place your vehicle in “park,” or “neutral” for a manual transmission. Firmly set the parking brake. Download and install the manufacturer’s code reader app to your ...

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 set of hand tools is still very relevant, but what good are they if you don't know what to start fixing? Harbor Freight has announced their latest line of professional-grade tools that will ...

If you've got a programmer for your truck, then you have diagnostic trouble code (DTC) reader built into your programmer. Lucky you. But for the rest of us, we still need a way to read codes on our ...