You’ve probably been there — you go in for a simple oil change, and suddenly the mechanic tells you your transmission needs replacing. Or your check engine light turns on, and what you thought would ...

Technology has made an extreme improvement in the accessibility of diagnosing vehicular issues. Long gone are the days of timing lights and tearing apart carburetors (at least in the instance of ...

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 ...

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 ...

View post: Mazda’s New CX-30 Update Proves Small Changes Make a Big Difference Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change.

In this video, I'm going to show you everything that comes in the box, the main features, and the XTool D5S in action. If you've used OBD2 readers before, you know that most of them aren't that great.

Gone are the days when a "check engine" light coming on your dashboard automatically meant a costly trip to a main dealer to have your fault code read. Diagnosing issues at home has never been easier.

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 special offer is running this week, ...