How Many Bottles of Fuel Additive Should Be Added at Once?

2 Answers
Sheldon
07/29/25 2:39am
This depends on the fuel tank capacity and the instructions for the fuel additive. Generally, the initial use requires 2 bottles, followed by 1 bottle for subsequent uses. Introduction to Fuel Additives: Fuel additive is a common name for the third generation of gasoline detergent. It can solve the carbon deposit issues in the fuel system of fuel injection vehicles, quickly restore the engine to its optimal working condition, and compensate for certain deficiencies in gasoline while imparting new beneficial properties. Purchase from Official Channels: Fuel additives are highly technical products with high entry barriers, resulting in high costs and single-bottle prices. Consequently, they are often counterfeited or of low quality. Using counterfeit products not only fails to remove carbon deposits and maintain the engine but may also cause damage. Therefore, it is essential to purchase from official channels.
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VonMelanie
08/12/25 6:34am
I've been driving long-distance for twenty years and have used a lot of fuel additives, accumulating some experience. Generally speaking, adding one bottle at a time is most appropriate—don’t be greedy. For ordinary family cars with a fuel tank capacity of 50 to 60 liters, a 300ml additive is designed at just the right concentration. Adding too much can easily cause fuel line blockages or deposit issues. I add one bottle every 5,000 kilometers before refueling, and it works well—the engine runs much smoother, and I’ve never encountered any adverse reactions. New drivers can learn from this method—it’s cost-effective and safe. Remember, moderation is key with anything; over-reliance can harm your beloved car.
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