What does 1.8tsi mean?
1 Answers
1.8tsi refers to a 1.8-liter twin-charged direct fuel injection engine. Here, 1.8 represents the engine displacement, the first letter T stands for a turbocharger (Turbo-charger), the second letter S represents a supercharger (Super-charger), and the third letter I indicates direct fuel injection technology (Injection). The twin-charged engine is introduced as follows: A twin-charged engine generally refers to an engine that combines both a supercharger and a turbocharger, meaning the engine of a vehicle is equipped with both a turbocharger and a supercharger simultaneously. The purpose is to better address the respective shortcomings of the two technologies and to solve the problems of low-speed torque and high-speed power output.