ATLANTA — The Ford Motor Company has recalled certain vehicles because of faulty engine intake valves which may crack and ...

As the name suggests, direct injection works by spraying fuel directly into an engine's combustion chamber, forgoing the ...

For the most part, they've got two valves per cylinder — one intake and one exhaust. There's nothing wrong with them, though, and they still produce a lot more horsepower for their size and get ...

The positive crankcase ventilation valve releases exhaust gas and unburned fuel from the engine block into the intake manifold. All engines allow some exhaust gases, unburned fuel and oil to ...