The higher the viscosity of car oil, the better? Improper use will result in higher fuel consumption!

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The higher the viscosity of car oil, the better? Improper use will result in higher fuel consumption!

Motor oil plays a role in the car, just like the blood flowing in the heart, such an important thing in the choice of course to be careful and cautious. There are many car owners believe that the viscosity of the oil is of course the higher the better, in fact, this is a big misunderstanding. So what should we pay attention to in the choice of motor oil? If you choose a motor oil with too high a viscosity, what effects will it bring to the car?

When choosing motor oil, we should first see the factory manual, which clearly indicates the grade of oil that should be chosen for different models, and choose the same grade or higher than the required grade of motor oil.

Secondly, we need to look at the production age and working conditions of the engine, the oil is known as the heart of the blood, of course, with the "heart" of the concerted efforts, gasoline cars according to the compression ratio to choose, diesel cars according to the coefficient of reinforcement to choose.

The last thing to look at is the wear and tear of the engine, according to the degree of wear and tear to choose the oil, the newer the car, the smaller the viscosity should be. Of course, there are some other factors, such as the environment in which the car is located and other external factors.

Therefore, the choice of engine oil is inextricably linked to the engine. Too high or too low viscosity can cause irreparable damage to the car.

Oil viscosity is too high

The oil viscosity is too high, which will cause the engine to have difficulty starting at low temperatures, poor cooling performance, high carbon residue, high power loss and other problems.

Oil viscosity is too low

The oil film is not enough, the sealing effect is weakened, increasing oil consumption, engine power decline.

Therefore, when choosing motor oil, do not think that the viscosity of the good, suitable for their cars is the most appropriate, otherwise it will be counterproductive, but also increase fuel consumption.