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What does PCV stand for? What does PCV box do? Is it considered as one of valve covers? I had PCV seals replaced by the dealer since there was a leak. Thanks in advance.
 

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PCV= Positive Crankcase Ventilation system.
It recirculates oil/unburned fumes into the induction system to be burned.
The box is located on the front of the engine on the Right side of the engine.
No it is not one of the Valve covers.
 
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