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Emission Control Systems Overview by ROSAN YUMANG is a document available to read on EtoBox.
What is Emission Control Systems Overview about?
This chapter discusses emission control systems, including: 1) Positive crankcase ventilation (PCV) which recirculates blowby gases back to the combustion chamber to reduce sludge and emissions. 2) Exhaust gas recirculation (EGR) which introduces exhaust gases into the combustion chamber to lower temperatures and NOx formation. 3) Air injection systems which introduce additional air into the exhaust stream to aid catalytic converter efficiency by oxidizing unburned fuels.
- Author
- ROSAN YUMANG
- Language
- EN