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 ...

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 ...

Your car is basically a rolling computer network, and that little “check engine” light is the car begging you to read the error message. That’s why OBD2 scanners are having a moment. You plug a dongle ...