John Paul, AAA Northeast's Car Doctor, hears from a reader deciding between a vehicle code reader and a scan tool. The post ...

Cars are more than just oil and steel. Modern models have incorporated electronics and computer chips to help manage and optimize their mechanical components. That means maintaining your car's ...

Part of the frustration of a check engine light is that it’s just so vague. It can signal anything from a looming powertrain failure to something as benign as a loose gas cap. The light will simply ...

When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...

A vehicle’s Check Engine light can turn any car ride into a harrowing experience. As soon as the check engine light illuminates, it’s hard not to hear the cha-ching sound of a ...

Fear of the unknown is the greatest fear of all, so let’s start by understand exactly what the check engine light is. In automotive terms it is known as MIL (Malfunction-Indicator-Lamp) and is an ...

More than almost any other vehicle problem or symptom, check engine lights (CELs) can cause anxiety among drivers from just about every level of ownership experience. It’s basically because, once a ...