Another Mazda rotary engine innovation is using an auxiliary intake port valve that can swivel open to increase the amount of ...

Ford has once again found itself wrapped up in a legal dispute. This time, a fault with its EcoBoost V6 is to blame.

According to the National Highway Traffic Safety Administration (NHTSA), the affected vehicles might contain intake valves that could crack or break, which would lead to catastrophic engine damage ...

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 ...