Top Tier gas is formulated to keep your engine cleaner and costs just a little more. But is it worth looking for? AAA conducted tests to find out.

The world is looking mighty volatile these days, so there are plenty of reasons why you should be concerned with your car's engine longevity. Whether you're trying to sustain a higher-mileage car to ...

Gasoline direct injection (GDI) engines have become increasingly popular for their improved fuel efficiency, reduced emissions, and enhanced performance. The latest generations of GDI V-8s become more ...

Most people are familiar with the importance of oil for the internal combustion engines that power our modern vehicles. The petroleum-based fluid is designed to provide lubrication to the vast amount ...

The throttle body controls airflow into an engine. For fuel-injected engines it’s usually housed between the air filter and intake manifold. Keeping this component clean can help your vehicle deliver ...

In today's world of automobiles, internal combustion engines are available in a wide array of induction systems. We have diesel engines, gasoline engines, turbocharged engines, and more. One condition ...

There are many things that can degrade your vehicle's performance over time, from a dirty air filter and low tire pressure, to fouled spark plugs and worn out plug wires. However, nothing will rob ...