Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. We’ve all experienced the dreaded “check engine” light on the dashboard of our ...

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 ...

Everyone knows how imperative it is to service their vehicles to make sure they’re running smoothly and efficiently. But even if someone is following the manufacturer-suggested service intervals and ...

From budget-friendly code readers to advanced professional-grade diagnostic platforms, the OBD2 scanner market in 2026 offers something for every driver. Whether you’re a DIYer tackling a check engine ...

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 ...

Does the mere sight of your car’s check engine light send your stress and anxiety levels skyrocketing? For years, the only way for car owners to determine why this light had suddenly turned on was to ...

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 ...

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 ...

While your check engine light is obviously meant for engine issues, it can often give you clues to problems in other parts of ...

The world of car diagnostics has changed a lot over the last 50 years. Back in the '70s and earlier, a mechanic's most valuable diagnostic tools were usually their eyes and ears. You could figure out ...

OBD2 scanners allow vehicle owners to tap into their car’s on-board diagnostic systems directly to troubleshoot check engine light warnings and performance issues. Here are five of the best. Get up-to ...