PCV Filter

By Daniel Dillon, April 28, 2009

The positive crankcase ventilation (PCV) filter, or crankcase emission filter, is connected to the fresh air side of the PCV system. Its purpose is to filter outside air before it enters the engine crankcase.

Symptoms of a Bad or Failing PCV Filter

  • Accumulation of dirt on filter

PCV Filter Related Repair Advice

  • PCV filters should be inspected whenever the PCV system or air filter is serviced

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