Did your vehicle's check-engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find ...

If your vehicle is throwing a check engine light, but you don't have a diagnostic scanner handy, here are three tricks to try before seeing a mechanic.

Ignoring a check engine light might feel harmless if the car still runs smoothly, but the warning signals more than a minor ...

How to get your OBD2 codes read at an auto parts store Many auto parts stores offer code readings as a free service. Advance Auto Parts, AutoZone, and O’Reilly are among the stores that will.

CarMD, an automotive telematics company, published a list of the most common check engine codes in 2020, along with their estimated cost of repair.

General Motors is recalling nearly 600,000 vehicles due to possible engine issues. Here's how to check if your car is affected.

While "Check Engine" and "Service Engine Soon" may sound like they indicate the same issues, they're actually for two different types of problems.