The full term we're discussing here is the Positive Crankcase Ventilation valve. This is a small component found between the intake manifold and the valve cover. It's an incredible invention that ...

Car engines require a lot of parts working in unison to properly function. There are thousands of explosions happening every minute when your car's engine is running, hence the name "internal ...

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 ...

condensed moisture from the Positive Crankcase Ventilation (PCV) port could seep toward the brake vacuum port inside the intake manifold at freezing ambient temperatures and start to freeze.