Men’s Journal aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. It’s something no driver wants to see: a check engine light ...

Right now Amazon is offering this Gooloo Deepscan DS100 code reader for just $40. This saves you $10, or 20% off the usual price of $50, and this car code reader was originally priced at $80 when it ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Shipping at Woot is free for anyone who logs in with an Amazon Prime account. If you're not a ...

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 ...

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 ...

Seeing your vehicle's check-engine light come on can throw a wrench in your travel plans. It can also feel a little scary: Does it mean your ride is headed for the scrapyard? Or is there a simple fix?