We earn commissions from purchases you make using links in our articles. Learn more. If your car or truck’s check engine light is on, there’s a stumble when accelerating, or if the transmission just ...

From decoding check engine lights to streaming live engine data, OBD-II scanners have changed how drivers maintain and repair their cars. With the right tool, you can pinpoint problems early, avoid ...

The check engine light is the worst kind of message. It tells you something is wrong without telling you what, and the dealership will happily charge a ...

You hear a new, disturbing noise coming from your engine, open the hood, look around, and find nothing. Now what? Before you reach for a conveniently-placed torque wrench to try the ol’ “love tap,” ...

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 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 ...

In 1976, Chrysler ushered in the computer engine management system era with their Electronic Lean Burn 400 4-bbl. This early computerized spark-advance control system was developed to make the engine ...

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 ...

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 ...

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Something we all dread seeing is the check engine light popping up on our dash. Instead of guessing what’s going on, OBD2 diagnostic scanners can look over your car’s systems and help you figure out ...