For car owners who dread unexpected dashboard lights and costly trips to the mechanic, the LAUNCH OBD2 Scanner CRP123X E ...

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 ...

For anyone who’s ever seen a check engine light appear and felt a wave of uncertainty, the ANCEL AD310 Classic Enhanced ...

The best car adapter you can buy is the Automatic AUT-450C. We’ve looked high and low, and no other diagnostic device in this burgeoning segment of the tech world matches it. Once plugged into your ...

The range of vehicle diagnostic tools available for mobile phones is expanding. We covered some upcoming models at last year's Specialty Equipment Manufacturers Association convention. Now PLX, one of ...

Whether you know a lot about cars or nothing about them, it's never fun to see the check-engine light—also known as a malfunction indicator light (MIL). This is your car trying to tell you it has ...

Although commonly referred to as the “check-engine light,” some cars may instead display the message “Service Engine Soon,” or show a yellow or orange outline of an engine, perhaps with the word ...

When your vehicle's check engine light (CEL) comes on, it's often a sign that something needs attention. But with over 20,000 parts working together in your car — many important for normal operation — ...