SSP 336 The Catalytic Coated Diesel Particulate Filter - Volkspage

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The reduction of particulate emissions from diesel engines is a great challenge in this day and age. In addition to engine measures, exhaust gas treatment is of particular importance to help achieve this. The particulate filter is an effective method to remove carbon soot particles that are inherent in diesel emissions. The most common filter systems comprise of an oxidisation catalyst and a particulate filter. On the catalytic coated particulate filter from Volkswagen, the catalyst and filter have been combined to form one single unit. With this particulate filter system, the particulates can be burnt off continually without the addition of a fuel additive, thanks to the design and installation position close to the engine. S336_231 NEW Important Note This self-study programme shows the design and function of new developments! The contents will not be updated. Please always refer to the relevant Service Literature for all inspection, adjustment and repair instructions. 2
Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Design and function . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 System overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23 Sensors and actuators. . . . . . . . . . . . . . . . . . . . . . . . . .24 Function diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32 System limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 Test your knowledge . . . . . . . . . . . . . . . . . . . . . . . . . . 35 3
Page 1: Service Training Self-study program
Page 5 and 6: The exhaust gas Emissions standards
Page 7 and 8: Harmful substances in the exhaust g
Page 9 and 10: Cause of carbon soot particles The
Page 11 and 12: External engine measures The releas
Page 13 and 14: The particle filter The catalytic c
Page 15 and 16: The coated zones in the diesel part
Page 17 and 18: Active regeneration With active reg
Page 19 and 20: Engine management during initiation
Page 21 and 22: Extended injection period at overru
Page 23 and 24: System overview CAN bus Control uni
Page 25 and 26: This is how it works: Particulate f
Page 27 and 28: Temperature sender after particulat
Page 29 and 30: The lambda probe G39 S336_098 The l
Page 31 and 32: Diesel particulate filter warning l
Page 33 and 34: System limits Frequent short trips
Page 35 and 36: Test yourself 1. What is meant by "

SSP 336 The Catalytic Coated Diesel Particulate Filter - Volkspage

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