Why the PCV Valve Matters for Engine Health and Oil Control

The Positive Crankcase Ventilation (PCV) valve is one of the smallest and most inexpensive components in your engine, yet it performs a critical role in maintaining engine health. It is a simple, spring-loaded valve designed to manage the pressure that naturally builds up inside the engine crankcase. Neglecting it is one of the most common, yet avoidable, causes of engine oil leaks and internal sludge buildup.