Automotive Emissions-Control Systems
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Vocabulary flashcards covering key automotive emissions-control components and their functions.
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Positive Crankcase Ventilation (PCV)
An emissions-control method that routes unburned or partially burned fuel back into the engine’s cylinders so it can be completely burned.
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Air-Injection System
Forces air into the exhaust stream to burn any unburned or partially burned fuel before it exits the tailpipe.
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Catalytic Converter
A device that oxidizes hydrocarbons and carbon monoxide, converting them into water vapor and carbon dioxide.
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Exhaust Gas Recirculation (EGR) System
Controls nitrogen-oxide emissions by redirecting a portion of exhaust gases back into the engine cylinders.
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Flashcards (61)