TSI is a set of double-boost technology developed by Volkswagen Group, which literally understands its meaning. The preceding T and S represent the meaning of Turbo and Supercharger, respectively, which is the combination of turbocharging and mechanical pressurization. Turbocharging and mechanical pressurization have their own inherent defects, and the advantages and disadvantages of these two pressurization methods are complementary to each other. The public is the use of these two supercharged performance advantages and disadvantages of the complementary development of the TSI double pressurization system.
    TSI engine brief
    At present the domestic mass product line has a variety of TSI engine, these engines, not citation introduced TSI engine. Currently widely popular in the domestic TSI engine, and no mechanical pressurization. Taking into account the domestic oil quality instability and other factors, Volkswagen Group in China TSI gasoline direct injection engine (hereinafter referred to as TSI transmitter) is Volkswagen FSI gasoline engine on the basis of a technology leader in the development of energy saving Turbocharged engine.
    The same label TSI, but the two engines used by the technology is not the same, I hope we do not confuse.
    Abandoning the mechanical supercharged TSI transmitter, through a number of new technologies, not only did not make the engine technology content reduced, but improved the ability to adapt to bad oil. The domestic common 93 # gasoline can meet the needs of this high-tech engine, and can be achieved in foreign double-pressurized TSI engine with super lead-free + gasoline (equivalent to the domestic 98 # gasoline) environmental standards. Here we introduce one by one.
    TSI engine technology advantages
    TSI petrol direct injection engine turbocharged system allows more air into the cylinder, the gasoline by the new high-pressure fuel pump and 6-hole injector directly into the cylinder and compressed air mixed with, to bring more ideal oil and gas mixture and more High compression ratio, so that the combustion process more fully, more powerful power output.
    TSI gasoline straight jetting machine with a new generation of variable cross-section technology, the turbocharger to work earlier, more responsive, more powerful torque output platform. As the turbocharger energy from the engine exhaust, TSI gasoline engine than the supercharged engine and other supercharged engine more efficient, significantly improved in the dynamic performance, while its fuel consumption is also a significant decline, And the vehicle dynamic response more quickly, medium speed acceleration performance stronger. Its advanced design also optimizes the vibration and noise of the engine, resulting in a significant increase in ride comfort.
    The picture above shows a 120-liter version of the 1.4-liter TSI operating curve, the engine power output with an ordinary 2.0-liter gasoline engine comparable. Can be equipped with a 1.4-liter TSI petrol engine on a golf car with a maximum power output of up to 96 kW at 5000 rpm and a maximum torque output of 220 Nm at 1750 rpm to 3500 rpm, while in excellent road conditions The next has a more excellent fuel consumption, 90km / h constant speed fuel consumption of 4.7L / 100km, fuel consumption has decreased significantly.
    TSI engine maintenance
    As the TSI engine multi-assembly and home cars, maintenance mileage of up to 10,000km (usually 7500km for the first time maintenance), and maintenance costs are not high. The following is the 1.4 liter TSI engine routine maintenance of the price list (different maintenance point work costs different).
    TSI engine turbocharger does not require special maintenance, only in accordance with the conventional engine maintenance process can be maintained. Because the turbocharger and the engine is a common set of lubrication system, usually we have replaced the oil after the maintenance of the role of turbocharger. But here is to emphasize that, because the TSI engine relative to the natural suction, the cylinder operating temperature and work pressure higher, more load. High-speed driving down the need for idle 3 minutes after the flame, so you can protect the turbine.
    In fact, for the TSI engine, its piston, crankshaft, connecting rod and other components are reinforced, than the ordinary natural suction engine crankshaft connecting rod with higher strength. It is also because of the poor working conditions of these parts, so the oil level must be guaranteed, recommend the use of SM grade oil or grade and viscosity coefficient of not less than the original standard oil.
    TSI engine maintenance
    At present, the Volkswagen application TSI engine models have been listed for more than a year. Through online surveys, the author found that the engine carbon deposition is caused by the TSI engine the most trouble.
    As we all know, the engine carbon deposition can cause the engine jitter, idling high, the engine running missing cylinder failure. According to the experts: carbon deposition is a superficial phenomenon, that is to say who is the cause of carbon is the real cause. May (1) the nozzle is blocked by small particles, resulting in insufficient fuel injection, combustion is not complete, resulting in carbon deposition. This can only be done by thoroughly cleaning the oil path and then replacing the injector. (2) burn oil can be judged by the car outside the smoke, burning oil produced carbon deposition, can only repair the engine. (3) fuel quality failure, combustion of carbon deposition, through the replacement of gasoline and cleaning methods can be resolved. (4) bad driving habits, can lead to the engine can not be in normal working condition, resulting in fuel combustion is not sufficient, leading to carbon deposition.
    Conclusion
    The car is the friend who travels with us, and the engine is the heart of the car. How would you treat the heart of this friend? Volkswagen TSI engine A technology-leading turbocharged engine. While maintaining high power output, but also take into account environmental protection and energy conservation. Like a good horse, high-tech engines, also need careful care.
    Poor oil, gasoline, can cause TSI engine "food poisoning"; fierce step on the gas, emergency brake, low speed or high speed shift and other bad way driving is to let your TSI engine "indigestion." Normal driving habits and reasonable daily maintenance can greatly reduce the TSI engine maintenance costs, reduce the probability of engine maintenance.
    In addition, the manual block in the shift time, according to the engine operating conditions curve, it is recommended between 2000-2500 turn. At this time the engine burning rate is the highest, but also the most fuel-efficient shift time.