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Review on FV231 Positive Crankcase Ventilation Valve by John Bourgeois

Revainrating 5 out of 5

Ideal for filters

PCV valves are one of the most overlooked parts during routine maintenance, and clogging can lead to many driver-related symptoms. It was the perfect replacement (same physical dimensions) for the old, flooded PCV valve in my 1996 Plymouth Neon.

Pros
  • Helps improve fuel economy and engine smoothness
Cons
  • Large and bulky