Self Study Programme 645
For internal use only
Audi 2.0l TFSI engines EA888 series
Audi
Service Training
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The 4 cylinder TFSI engine by Audi represents the next evolution The engine modiifcations for both performance classes are identi
ary step forward, the basis being the third generation engine. The cal with respect to the engine mechanicals, where a number of
new engine is available with a displacement of 2 litres and in friction reducing measures have been implemented. There are
2 performance classes, one of which supersedes the previous 1.8l differences as regards charge cycles and the combustion process.
Gen.3 engine of performance class 1 125 kW to 147 kW . The performance class 1 engine operates on the Miller cycle, a
patent dating from the year 1947. It was premiered in May 2015
The aim of Audi’s designers was to reduce both CO and particulate at the Vienna Motor Symposium as the most eiffcient petrol engine
2
emissions in line with statutory requirements. The 2.0l Gen.3 BC in its class.
engine shows that even fuel economy can be improved while
increasing engine displacement. The abbreviation BC stands for More than 10 years earlier, Audi put into production the ifrst
B cycle, a Miller combustion cycle which has now been reifned by turbocharged, direct injection TFSI engine and, thus, with the aid
Audi. of downsizing and downspeeding, set a milestone for
Vorsprung durch Technik .
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Learning objectives of this self study programme
This self study programmme describes the design and function of What are the differences in terms of the engine mechanicals
the 2.0l 4 cylinder TFSI engine from the EA888 Gen.3 MLBevo compared with the third generation engines
engine series with power outputs of 140 kW and 185 kW. What are the new fea