Turn your smartphone into a professional car diagnostic tool with a $15-30 OBD2 adapter and free apps that read engine codes ...

An OBD2 scanner that can read your vehicle’s trouble codes is a critical tool for DIYers. But even if you don’t like turning wrenches yourself, it’s hugely helpful to be able to get an idea of what’s ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Something we all dread seeing is the check engine light popping up on ...