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 ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The check engine light by its nature is vague, just a general indication that ...

Code readers are diagnostic tools that every car owner should consider owning. Having one of these is as important as carrying a spare tire or a fire extinguisher in the trunk. Back in the day, before ...