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 ...

All engines need some sort of crankcase pressure relief. Whether it's in the form of a simple breather, or a more effective PCV system, you need a way to vent blowby gases inherently generated by a ...

If your car has a PCV valve, and if your engine has been idling roughly or a malfunction indicator light goes on, check the valve. Car manufacturers suggest that PCV valves be cleaned or replaced ...