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Crankcase Ventilation System

PCV Valve

A Positive Crankcase Ventilation (PCV) Valve is a one-way valve that routes gasses produced by the engine’s crankcase back into the engine’s combustion chamber.

Wells PCV Valves are designed to meet or exceed OE specifications for fit, form and function.

The PCV Valve it typically located on or near intake manifold.

If the PCV Valve is failing or in need of replacement, a vehicle may experience:

  • Poor idle
  • Poor fuel economy
  • Check engine light is illuminated

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