“Using this device has saved me from being overcharged at auto repair shops.” ...

Weekend wrenchers rejoice: there’s finally a CarPlay-compatible OBD scanner app available for iPhone users. It’s called OnTrack. For years we’ve been restricted to using a phone mount to diagnose cars ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...

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 ...

“A must-have for DIY car maintenance!” ...

View post: This One-Off Bugatti Chiron Inspired by a 1930s ‘White Elephant’ Is Going to Auction Where this scan tool really shines is in its bi-directional control and advanced repair guidance. The ...

Modern vehicles’ sophisticated electronics go far beyond the simple car mechanics most of us grew up with. Now, OBD, or on-board diagnostics, diagnoses almost every issue within your vehicle. Whether ...

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 ...

In 1976, Chrysler ushered in the computer engine management system era with their Electronic Lean Burn 400 4-bbl. This early computerized spark-advance control system was developed to make the engine ...

An OBD2 (On-Board Diagnostics II) scanner can provide information about the status and health of various vehicular systems. This information can help inform the user as to what the source of a problem ...

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?