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How to use Chef Fuel Additive?

4 Answers
Debra
09/06/25 7:21am
Directly inject it into the car fuel tank to mix with gasoline. Here are the specific details about fuel additives: 1. Function: Fuel additive, commonly known as the third-generation gasoline detergent (also referred to as gasoline detergent or fuel additive), aims to solve the carbon deposit issues in the fuel system of electronically injected vehicles, quickly restoring the engine to optimal working condition. It can also compensate for certain deficiencies in gasoline properties and impart new beneficial characteristics (improved atomization, reduced wear, engine protection, lower emissions, etc.). 2. Composition: Fuel additives mainly consist of more than ten components, including nano-molecules, cleaning activation factors, antioxidants, anti-corrosion agents, demulsifiers, etc. They are specifically designed to target harmful substances in fuel such as sulfur, gum substances, and engine carbon deposits, thereby enhancing power, promoting combustion, providing anti-oxidation, anti-wear, cleaning, dispersing, demulsifying, anti-corrosion, and lubrication effects.
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MacCamilla
09/18/25 7:00am
Remember to unscrew the fuel tank cap before refueling, then take out the whole bottle of Chefuel Fuel System Cleaner and pour it directly into the tank. This product is best used every 5,000 kilometers, with one bottle perfectly matching a full tank of fuel. Last time I added a bottle before a long-distance drive, I felt the throttle response became more responsive, especially noticeable on highways where the engine noise sounded less strained. Avoid adding it when the fuel is nearly empty - the optimal time is when about a quarter tank remains, as this allows the gasoline to fully dissolve the cleaning components. For new vehicles, starting usage from 20,000 kilometers can help prevent carbon buildup, while older vehicles especially benefit from regular use. After three consecutive bottles, you'll likely notice a slight improvement in fuel consumption.
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OCatherine
11/01/25 7:25am
Just pour it directly into the fuel tank! Open the fuel cap before refueling, shake the bottle well and pour it all out. I make it a habit to add one bottle after each maintenance, and it works even better when paired with an oil change. Don’t underestimate this small bottle—it’s quite effective at cleaning the fuel system, especially for direct-injection engines prone to carbon buildup. After using it a few times, I noticed reduced cold-start shaking and a drop of about 0.3 in the displayed fuel consumption. Remember to choose the right version—the formula differs for turbocharged and naturally aspirated engines. Simply pour it in while refueling, just be careful not to spill any outside.
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Kathleen
12/15/25 7:33am
Operation is extremely simple: Open the fuel tank cap before refueling and pour the entire bottle of fuel additive directly. I use one bottle every 5,000 kilometers when refueling, especially recommended for drivers who frequently drive in urban areas. This product mainly relies on polyetheramine to dissolve carbon deposits, and the effect becomes more noticeable after continuous use. Last month when I removed the spark plugs, I could see the carbon deposits had indeed reduced, and the exhaust fumes weren't as pungent. Be careful not to mix it with other fuel additives, as it may affect the effectiveness. Just add a bottle when refueling—think of it as giving your engine a cleaning drink.
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