A journalist's experience with a check engine light and an outrageous $250 diagnostic fee reveals how a simple, affordable tool can save you from questionable auto shop practices and hundreds of ...

In many cases, it's safe to keep driving when a solid check engine light turns on, but it's a sign to get the car diagnosed ...

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 ...