For any engine to reach its maximum potential, the fuel must burn efficiently. Running rich or lean is not good for performance, and in extreme cases it can be catastrophic. A rich engine is likely to ...

As the world that is our Mustang hobby continues to evolve and the methods by which we improve ’Stangs’ engine performance become more dynamic, monitoring the mixture of air and fuel has mandatory ...

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 ...