What should I do if the gasoline engine throttle can't be controlled?

It may be that the cylinder is worn, resulting in unstable throttle. I suggest you go to the auto repair shop to deal with it: 1. The oil grade is divided into different grades according to the oil quality grade. In this standard, the letter S stands for engine oil for gasoline vehicles, and then different grades of engine oil are arranged after the letter S in English alphabetical order;

2. The series starting with S represents gasoline engine oil, with specifications of SA, SB, SC, SD, SE, SF, SG, SH, SJ and SL. The series beginning with C stands for diesel engine oil, and the specifications are: CA, CB, CC, CD, CE, CF, CF-2, CF-4, CG-4, CH-4 and CI-4. When the letters S and C exist at the same time, it means that the engine oil is gasoline/diesel general type;

3. From "SA" to "SL", with each additional letter, the performance of the engine oil will be better than the previous one, and there will be more additives in the engine oil to protect the engine. The lower the letter, the higher the quality grade, and most of the oil grades in international brands are above SF grade.

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