Modern engines are packed with technology, yet the core hardware still follows a simple logic: air and fuel go in, power comes out, and heat must be controlled. When I understand the main components ...

Two of the most critical components that help power your car's internal combustion engine are the crankshaft and the camshaft(s). The two parts are vital for sending power to various areas of your ...

Your car’s O2 sensor can be cleaned if you’re in a pinch, but cleaning won’t make an old sensor reliable again. Most failing sensors must be replaced.