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 ...

OBD-II diagnostic device BlueDriver interprets engine error codes to suggest what might need fixing, and lets you know if your car is ready for a smog check. Wayne ...

The OBD2 port on all modern vehicles can double as a power source. As a result, many owners opt to tap into this often-ignored port to power devices like a Dash Cam, powered rear view mirrors, radar ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Aug 27, 2025 2:30 PM EDT Something we all dread seeing is the check ...

While your car can’t talk, it communicates with you using chimes, icons, and messages. One icon that you should never ignore is the check engine light. It turns on when the car’s onboard computer ...

The range of vehicle diagnostic tools available for mobile phones is expanding. We covered some upcoming models at last year's Specialty Equipment Manufacturers Association convention. Now PLX, one of ...

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 ...

Although commonly referred to as the “check-engine light,” some cars may instead display the message “Service Engine Soon,” or show a yellow or orange outline of an engine, perhaps with the word ...

We may receive a commission on purchases made from links. The check engine light is one of those dashboard warning lights drivers dread to see suddenly come on in the middle of driving. First-time car ...

It's pretty easy to dismiss the "check engine" light as just stupid, because, well, it is. I suppose if you thought that the cause of smoke coming from under your hood had something to do with the ...