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4J11 engine detailed explanation 4J11 engine is Global trade indices and benchmarksa naturally aspirated four-cylinder engine launched by Mitsubishi Motors in 2007, which is mainly used for its various sedans and SUV models. The engine was originally designed to improve power and fuel economy while maintaining durability and reliability. This article will analyze and interpret the 4J11 engine in detail in terms of technical characteristics, performance, maintenance and other aspects. Technical features The 3Ling 4J11 engine adopts a large number of advanced technologies to improve its fuel economy and power. First of all, it adopts DV.VT (Dynamic Valve Timing) dynamic valve timing technology, which can automatically adjust the opening time and angle of the intake and exhaust valves, so that the engine can achieve the best air-fuel ratio and efficiency at different speeds and loads. Secondly, the engine also adopts a high compression ratio design and a direct injection fuel system, which can not only improve the combustion efficiency of the engine, but also reduce engine emissions and noise. Finally, the 4J11 engine also has the advantages of lightweight and compact design, which can improve the handling and acceleration performance of the vehicle. Performance In terms of performance, the 4J11 engine has high power output and fuel economy. The maximum power of the engine is 148 horsepower, and the maximum torque is 197 Nm, which can provide sufficient torque at low speed and maintain stable power output at high speed.At the same time, because the 4J11 engine adopts advanced fuel system and dynamic valve timing technology, its fuel economy is also outstanding. At present, Mitsubishi Motors' Lancer, Galant, Outlander and other models have all adopted the 4J11 engine. The urban comprehensive fuel consumption of these models can reach 7-8 liters/100 kilometers, and the highway fuel consumption can reach 5-6 liters/100 kilometers, which has reached the same level of models. The leading level in. Although the maintenance of the 4J11 engine has excellent performance and fuel economy, it also needs to pay attention to some details in maintenance. First of all, the engine needs to use high-quality fully synthetic oil to maintain the lubrication and protection of the internal parts of the engine. Secondly, the air filter, oil filter and fuel filter should be replaced regularly to ensure that the engine is always in the best working condition.In addition, attention should be paid to the replacement and maintenance of the engine coolant to avoid overheating and damage to the engine. It should be noted that when repairing and maintaining the 4J11 engine, it is best to choose a professional technician or repair shop certified and authorized by the manufacturer to ensure the quality and reliability of the maintenance work. In summary, the 4J11 engine is an engine of Mitsubishi Motor Company with advanced configuration, excellent performance and outstanding fuel economy, which is suitable for a variety of models and uses. The engine adopts a number of technological innovations to ensure its characteristics of low emissions, low noise and low fuel consumption. At the same time, it also has good power output and handling performance. Especially in terms of maintenance, the 4J11 engine needs to pay special attention to some details and precautions to ensure its long-term stable and reliable use.

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