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Proton Campro Air Filter Vent Pipe/Breather Hose
[PW812077]
RM22.00
  • Proton Campro Air Filter Vent Pipe/Breather Hose - Image 1
  • Proton Campro Air Filter Vent Pipe/Breather Hose - Image 2
  • Proton Campro Air Filter Vent Pipe/Breather Hose - Image 3
Signs of a Bad PCV Valve
You probably don't realize how important the PCV system—the Positive Crankcase Ventilation (PCV) valve and its related components—is to the well-being of your engine.

A bad PCV valve or related component can produce a number of symptoms. For example, if the valve clogs, or gets stuck in the closed position, you'll notice one or more of these symptoms:

Increase in internal engine pressure
  • Failure of one or more oil seals or gaskets
  • Engine oil leaks
  • Moisture and sludge buildup inside the engine
  • Engine surges and possibly black smoke

If the PCV valve gets stuck open, or a system hose gets disconnected or ruptured—producing a vacuum leak—you'll notice one or more of these symptoms:
  • Engine misfires at idle
  • Lean air-fuel mixture
  • Presence of engine oil in PCV valve or hose
  • Increased oil consumption
  • Hard engine start
  • Rough engine idle



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