How Automobile Ignition Systems Work - A car's ignition system helps the engine produce maximum power and minimum pollution. Find out how much is riding on a well-timed spark.
How Camshafts Work - The camshaft has a huge effect on engine performance. Learn why camshafts are so important and how a new one can radically change an engine's behavior.
How Car Computers Work - Each year, cars seem to get more complicated. Today's cars might have as many as 50 microprocessors on them. Learn about the various computers that control your car.
How Car Cooling Systems Work - A car engine produces so much heat that there is an entire system in your car designed to cool the engine down to its ideal temperature. Learn all about fluid-based cooling systems.
How Car Engines Work - The car engine is one of the most amazing machines we use in our day-to-day activities. Learn how the four-stroke internal combustion engine works!
How Catalytic Converters Work - A catalytic converter is one of the most important parts of a car's emissions control system, but it is actually pretty simple. Learn how catalytic converters reduce pollutants.
How Fuel Injection Systems Work - Fuel injectors get the gasoline into the cylinder of an engine so it can combust and you can drive. Find out how fuel-injection systems work.
How Mufflers Work - Every car out there has a muffler -- it performs the crucial job of turning thousands of explosions per minute into a quiet purr. Find out how mufflers silence an engine!
How Relays Work - There are relays all over your house and car -- you'll find them in home appliances, thermostats and even power windows. Learn what they're doing!
How Turbochargers Work - Turbochargers appear on all sorts of high-performance engines because they significantly improve the power-to-weight ratio. Find out how turbos work!
How Wires, Fuses and Connectors Work - Wires, fuses and connectors are the kind of thing in your car that you never think about, but they are essential. Learn why they are so important!