You're driving down the road, everything seemingly normal. Then, out of the corner of your eye, you see a light come on: the dreaded check-engine light. A lot of people just ignore it; after all, it's ...

This article contains affiliate links. We may earn a small commission on items purchased through this article, but that does not affect our editorial judgement. A smart OBD scanner claiming a huge 90% ...

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 ...

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