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Corolla engine - power system of Toyota Corolla model The UEFA TVToyota Corolla model is the most successful model in the history of Toyota Motor Company. Since its launch in 1966, it has experienced the evolution and upgrading of ten generations of models. It provides consumers around the world with an excellent driving experience and reliable performance. Among them, as one of the core power systems of the vehicle, the Corolla engine plays an important role, which will be discussed in depth in this article. I. The engine models of the Corolla model. At present, there are a variety of engine models carried by the Toyota Corolla model, including 1.2L, 1.3L, 1.5L, 1.8L and 2.0L engines with different displacements.These engines are not only different in performance, fuel consumption, driving experience, etc., but also in emission standards. Models in different regions may use different engine models. II. Engine Technology 1. Dual VVT-i technology Dual VVT-i technology is a highlight of the Toyota Corolla engine. This technology can control the opening and closing time of the engine intake valve and exhaust valve, and can be combined with Toyota's Valvematic technology to achieve more accurate valve control. This technology can bring higher power output and better fuel economy, while also reducing exhaust emissions and environmental pollution. Two. Turbocharging technology In order to improve power output without affecting fuel economy, Toyota has adopted a combination of turbocharging technology and in-cylinder direct injection technology.It can provide greater torque output at low speed and higher power output at high speed. This technology greatly improves the power performance and fuel economy of the engine. 3. D-4S in-cylinder direct injection technology D-4S in-cylinder direct injection technology is a high-efficiency fuel injection technology. By directly injecting fuel in the cylinder, more accurate and full combustion can be achieved to improve engine power and fuel economy for free. In addition, this technology can also reduce the emission of other adverse gases and achieve more environmentally friendly driving. III. Engine performance The engine performance of the Toyota Corolla model is excellent in terms of performance, whether in power output, fuel economy, and emission standards. For example, the maximum power of the Corolla 1.2T engine can reach 85kW / 5200rpm, the maximum torque can reach 185N·m / 1500-4000rpm, while its fuel consumption per 100 kilometers is only 5.6L, and the CO2 emission is only 129g/km. IV. Summary The excellent performance of the Corolla engine is due to Toyota's continuous development and innovation in engine technology, and continues to invest in research and development in this field. In the future, with the progress of science and technology and the development of society, Toyota Motor Company will continue to strive for excellence to bring better results and a better experience of driving in Corolla engine technology.

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