While relatively minor, check engine light repairs can be costly if neglected, leading to as much as 40 percent lower fuel efficiency. Metro News Service photo While relatively minor, check engine ...

Your oxygen (O2) sensors are small but mighty — they help your engine run efficiently, cut emissions, and prevent costly damage. With the right OBD-II scanner and a bit of know-how, you can decode ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

The costs of buying a new or used car have climbed in recent years, and so has the average repair bill. If a vehicle purchase or major repair isn’t in the cards (or budget), maintaining the health of ...

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 ...