How to Determine the Right Gasoline Grade for Your Car?

1 Answers
OOscar
07/24/25 8:12am
Here are the detailed methods to check the gasoline grade: 1. Owner's Manual: Refer to your car's owner's manual, which records the recommended gasoline grade for your vehicle. 2. Fuel Tank Label: The fuel tank cap will indicate the fuel grade, specifying which gasoline grade is recommended or optimal. Below is additional information about gasoline: 1. Gasoline Grades: Currently, there are three gasoline grades in China, namely 90, 93, and 97. Gasoline grades are classified by octane rating. 2. Gasoline Selection: If a high-compression engine uses a low-grade gasoline, it can cause a sharp rise in cylinder temperature, incomplete combustion of gasoline, severe engine vibration, resulting in reduced power output, damage to engine components, increased fuel consumption, and poor driving performance. Conversely, if a low-compression engine uses high-grade gasoline, it may lead to delayed combustion, meaning the fuel does not reach its auto-ignition point at the maximum compression ratio, resulting in incomplete combustion.
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