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 ...

This article was updated in August 2025 with new products and information. That little yellow check-engine light is sneaky. Most of the time, you forget it could be there. But when it detects an issue ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Car trouble got you down? When diagnosing a problem in any modern ...