Does a Car Need Fuel Additives?

2 Answers
Mila
07/29/25 1:50am
For new cars, it is best not to use fuel additives. Fuel additives can be used to improve fuel quality after the car has been driven for a certain period. New cars do not have carbon deposit issues, so there is no need to add fuel additives. Generally, new cars with less than 10,000 kilometers driven are not suitable for using them. If a car has already accumulated tens of thousands of kilometers without using fuel additives, you can start by adding a cleaning-type fuel additive. Flexible use of fuel additives can reduce carbon deposit formation, clean the car's fuel system, and provide a better working environment. It also improves engine atomization, allowing gasoline to burn more efficiently, enhancing performance, and reducing fuel consumption. Some high-quality fuel additives contain organic nano-molecules and cleaning activation factors, which can better protect the car's engine system, reduce engine noise caused by wear, and extend the engine's lifespan. When adding fuel additives, it is essential to choose legitimate, quality-assured products. The fuel additive market has varying product quality, and using inferior fuel additives may not only fail to deliver good results but could also cause more significant issues, leading to unnecessary losses for car owners. Therefore, when selecting fuel additives, always choose authorized dealers or 4S shops to ensure product quality.
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LeRylee
08/12/25 5:52am
My car has been running for several years, and I've used fuel additives a few times in between. The effects seem to vary from person to person. When the car was new, there was no need to consider it—the engine was fresh, and adding it made no noticeable difference. That one time I used it was because the engine was hesitating during acceleration. It smoothed out briefly after adding the fuel additive, but soon returned to its original state. Now, I only use it when the car is underperforming, such as having difficulty starting or a sudden increase in fuel consumption, which might indicate carbon buildup. In terms of relevance, fuel additives primarily clean the fuel injectors and cylinders, helping the fuel burn more completely, but they're not a cure-all. Regular maintenance is more important—changing the oil and checking the spark plugs can prevent carbon buildup. Fuel quality is key; using high-quality gasoline keeps the engine healthier, while adding additives might just be a waste of money. In short, if the car is running well, don't bother tinkering with it to avoid unnecessary expenses.
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