Q: Have you ever heard of or tested the tool called the FIXD? With all of the car issues in my family, it seems helpful but also cheap at $19.99. What do you think? A: I have never tested it. It ...

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 ...

The top end of the technology ladder is held by a scan tool. This car diagnostic tool plugs into the OBD-II port (“OBD” is an acronym for on-board diagnostics, and the “II” designates the second ...