FSI Volkswagen / Audi gasoline direct injection technology, FSI may be a fuel directly into the combustion chamber, reduces the heat loss of the engine, thereby increasing the power output and reduced fuel consumption, and fuel economy for both dynamic helpful.
TSI engine is turbocharged FSI (T), the abbreviation TSI, general domestic Volkswagen model lineup will be so called. Foreign versions of the TSI also explained twin supercharged engine, where T represents Twin meaning, the meaning is the double boost. Audi series direct-injection engine with a supercharger and referred to as the TFSI, and popular series are different.