What does fuel consumption per 100 kilometers mean?

[Terrance]

Fuel consumption per 100 kilometers refers to the amount of fuel consumed by a vehicle traveling 100 kilometers, which is an important parameter of a car. The fuel consumption per 100 kilometers published by the Ministry of Industry and Information Technology is a comprehensive data obtained under certain conditions and at a certain speed. The reasons for high fuel consumption in cars are as follows: poor ignition, excessive spark plug gap, insufficient energy from the ignition coil. Poor atomization of the fuel injector, failure of the fuel pressure regulator, excessive fuel pressure. Excessive engine carbon deposits, some of the injected gasoline is absorbed by the carbon deposits. Sensor failure, such as a faulty coolant temperature sensor, can cause the engine to mistakenly believe it is still in a cold state, continuously sending fuel injection signals, leading to high fuel consumption. A faulty oxygen sensor will cause fuel correction to fail, and the computer will also continuously send fuel injection signals. A faulty air flow meter will result in incorrect intake data. Factors affecting fuel consumption: There is a certain relationship between displacement and fuel consumption, but a higher fuel consumption does not necessarily mean a larger displacement. In a relative sense, the size of a car's displacement does not form a direct proportional relationship with fuel consumption. In addition to the size of the displacement, factors such as the car's shape, weight, and engine technology are also important factors affecting fuel consumption. Among models with the same displacement, the more advanced the engine technology, the more fuel-efficient the car will be.