On this Ford 300, it's on the back towards the firewall, tucked underneath the intake ... to get the valve loose. Either way, it's a straightforward process to remove on most cars.

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 ...

The first Mazda cars with rotary engines were launched ... Another Mazda rotary engine innovation is using an auxiliary intake port valve that can swivel open to increase the amount of air during ...

To really understand the benefits for your car, you'll need to understand the ... into the combustion chamber past the intake valves. If we increase the airflow to an engine, the engine's computer ...