What is TFSI?

2 Answers
AnthonyLynn
07/25/25 3:41pm
TFSI stands for Turbo-Fuel-Stratified-Injection, which is an FSI engine with turbocharging (T), but lacks the supercharging feature compared to TSI. However, in China, both TFSI and TSI incorporate only two technologies: turbocharging and direct fuel injection. Below is an introduction to turbocharged engines: 1. Working Principle: The full name of turbocharging is exhaust gas turbocharging, usually denoted by "T". Turbocharging is a device that uses high-speed exhaust gases from the exhaust pipe to drive the rotor, thereby increasing the air pressure in the intake pipe. Increasing the air pressure allows more air, and thus more oxygen, to enter the cylinder, resulting in more complete combustion and greater power. 2. Function of Turbocharger: The turbocharger utilizes the speed of high-speed exhaust gases, enabling the turbocharger rotor to achieve very high speeds, with maximum speeds even reaching around 150,000 rpm.
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VonNorah
08/11/25 9:33pm
The term 'tfsl' seems like a typo, and I guess you meant Tesla, that super popular electric vehicle brand, right? As a car enthusiast, I'm quite familiar with Tesla. It's purely electric-powered, using lithium-ion batteries and high-efficiency motors. Cars like the Model 3 accelerate incredibly fast and are completely silent. The Autopilot feature is super convenient, and OTA updates keep the car feeling fresh. The range starts from 300 km, with Supercharger stations distributed globally—charging for half an hour can get you most of the way. The downsides are the higher price and slightly longer charging times, but in the long run, you save a lot on fuel costs. In short, Tesla isn't just a car; it's a symbol of technological revolution.
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