VW TSI ENGINE

TSI TECHNOLOGY
Following the success of its TDI and FSI engines, Volkswagen is launching the latest in a line of pioneering inventions with the introduction of TSI petrol technology.

FSI uses the direct injection of petrol into the combustion chamber to improve efficiency and hence reduce fuel consumption and emissions. Taking this further, TSI uses -- for the first time ever -- an FSI engine which is then dual-charged through a combination of an engine driven supercharger and an exhaust gas turbocharger arranged in series.

The driving characteristics of the new TSI engine are improved over those of the current FSI unit. The belt-driven supercharger operates at the lower engine speeds, with the turbocharger coming in as engine speed increases. The result of this is excellent driveability and performance throughout the range with no turbo lag and high maximum torque.


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