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PCV Hose

The positive crankcase ventilation (PCV) hose carries crankcase gases from the engine to the intake manifold, where they are drawn into the cylinders for combustion.

Symptoms of Wear or Failure

  • Engine vacuum leak
  • Rough or high engine idle
  • Illumination of the Check Engine Light

Related Repair Advice

  • The PCV hose should be inspected whenever the PCV system is serviced