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Key terms: air engine oil tube gases crankcase pcv valve flow vacuum amount ama pcv system blow smog pressure leak breather drawn cone gasoline intake manifold automobile filter cylinder atmosphere fresh hydrocarbons positive emission baffle returns draft tube constant combustion gases air flow connects oil mist valve cover piston rings reduction increases breather tube engine oil road draft air cleaner ventilation investigation pcv system will through the pcv combustion chamber Search external links cited by footnotes on Wikipedia page PCV valve: |
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