
Liqui Moly fuel injector cleaner is a product used to clean and maintain the fuel system of injected or carbureted gasoline engines. It is designed to remove deposits from injection valves, intake valves, spark plugs, and combustion chambers, while also protecting the fuel system from corrosion. The product is added directly to the fuel tank and is suitable for use in various engines, including turbocharged engines. Some users have reported positive experiences with the product, claiming that it improved engine performance and resolved issues with engine lights. However, others have expressed skepticism about the effectiveness of fuel additives in general.
| Characteristics | Values |
|---|---|
| Use | Added directly into the fuel tank |
| Dosage | 300 ml for up to 70 l of fuel |
| Frequency | Every 2,000 km or 1,200 miles |
| Effect | Removes deposits on injection valves, intake valves, spark plugs and in the combustion chamber |
| Other Benefits | Improves throttle response and compression, optimizes emission test values and engine performance, reduces fuel consumption and pollutant emissions, protects against corrosion |
| Suitability | All 4-stroke gasoline engines, with or without turbochargers, safe for use with catalytic converters and particulate filters (GPF) |
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What You'll Learn
- Liqui Moly fuel injector cleaner is safe for use with catalytic converters and particulate filters
- The product can be added directly to the fuel tank
- It removes deposits on injection valves, intake valves, spark plugs, and in the combustion chamber
- Liqui Moly is a high-quality German brand with a good reputation
- The product is suitable for use in all 4-stroke gasoline engines

Liqui Moly fuel injector cleaner is safe for use with catalytic converters and particulate filters
Liqui Moly fuel injector cleaner is a combination of additives that clean and maintain the fuel system of port-injected and carbureted gasoline engines. It is suitable for use in all 4-stroke gasoline engines, with or without turbochargers.
The Liqui Moly fuel injector cleaner is safe for use with catalytic converters and particulate filters (GPF). It is tested for turbochargers and catalytic converters. The product also protects the catalytic converter from clogging with soot. It cleans intake valves and the combustion chamber, improving the combustion of the fuel. This, in turn, reduces fuel consumption and CO2 emissions.
The injector cleaner can be added directly to the fuel tank. The recommended amount is 300 ml for up to 70 litres of fuel. The effect remains for up to 2,000 km, and the cleaner can be mixed with fuel at any time. It is recommended to use the cleaner every 2,000 km or as necessary.
Liqui Moly also offers a catalytic-system cleaner that can be used to improve the combustion of the fuel and prevent corrosion in the fuel system. This product is suitable for all gasoline engines with a catalytic converter. It is important to follow the instructions for use provided by Liqui Moly to ensure the effectiveness of the product and maintain the warranty.
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The product can be added directly to the fuel tank
Liqui Moly fuel injector cleaner can be added directly to the fuel tank. The product is designed to clean and maintain the fuel system of port-injected and carbureted gasoline engines. It is suitable for use in all 4-stroke gasoline engines, with or without turbochargers, and is safe for catalytic converters and particulate filters.
To use the product, simply add the contents to the fuel tank. One bottle (300 ml) is sufficient for 25-75 litres of fuel, depending on the make and model of your vehicle. It is recommended to use the product every 2,000 km or as needed. The product can be mixed with fuel at any time, as the mixing process is automatic.
The Liqui Moly fuel injector cleaner is an effective way to clean injectors, the combustion chamber, and other engine components. It helps to remove deposits on injection valves, intake valves, spark plugs, and the combustion chamber, preventing new deposits from forming. This can lead to improved engine performance, including smoother idling, better throttle response, and improved engine efficiency.
Some people have expressed concerns about the effectiveness of fuel additives and the potential for harsh chemicals to cause damage. However, Liqui Moly is a reputable brand, and many users have reported positive experiences with their fuel injector cleaner, noting improvements in engine performance and the resolution of issues related to carbon buildup.
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It removes deposits on injection valves, intake valves, spark plugs, and in the combustion chamber
Liqui Moly Fuel Injector Cleaner is a combination of additives that help clean and maintain the fuel system of port-injected and carbureted gasoline engines. It is designed to remove deposits from various engine components, including injection valves, intake valves, spark plugs, and the combustion chamber.
The injection valves are a crucial part of the fuel injection system, delivering fuel to the engine. Over time, carbon deposits and other residues can build up on these valves, affecting their performance. The Liqui Moly Fuel Injector Cleaner effectively removes these deposits, ensuring the injection valves function optimally.
Intake valves play a vital role in allowing the engine to draw in air and facilitate the combustion process. Carbon deposits and other contaminants can accumulate on the intake valves, impacting their ability to seal properly and leading to reduced engine performance. The Liqui Moly Fuel Injector Cleaner eliminates these deposits, helping to restore the intake valves' functionality and promoting smoother airflow into the engine.
Spark plugs are responsible for igniting the air-fuel mixture in the engine's combustion chamber. As they perform this critical task, spark plugs can become fouled or contaminated with carbon deposits, affecting their ability to generate a spark. By using the Liqui Moly Fuel Injector Cleaner, these deposits are removed, ensuring the spark plugs can perform efficiently, resulting in improved engine performance and fuel combustion.
The combustion chamber is where the magic happens, as it's where the air-fuel mixture is ignited to generate power. Carbon deposits and other residues can accumulate in this chamber, impacting combustion efficiency and engine performance. The Liqui Moly Fuel Injector Cleaner thoroughly cleans the combustion chamber, removing these deposits and optimizing the combustion process. This results in improved engine performance, enhanced fuel efficiency, and reduced emissions.
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Liqui Moly is a high-quality German brand with a good reputation
The brand is well-known for its motor oil, which is the most commonly used motor oil in its home country, Germany. Liqui Moly's motor oil is designed to boost the lubricative performance of the oil and protect the engine. It has a signature MoS2 additive, which contributes to its high viscosity and protective performance. This additive has been praised for its ability to lubricate the engine effectively without causing wear and tear.
Liqui Moly's fuel injector cleaner is also a notable product. It is designed to clean and maintain the fuel system of port-injected and carbureted gasoline engines. The cleaner removes deposits from injection valves, intake valves, spark plugs, and the combustion chamber, while also protecting against corrosion. Regular use of this product is said to keep the fuel system in perfect working order, improve engine efficiency, and reduce exhaust emissions.
The brand has received recognition and awards for its products, including being voted Germany's best lubricant brand in 2021 by leading car magazines. Liqui Moly's commitment to producing high-quality products and its focus on customer satisfaction have contributed to its positive reputation and global success.
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The product is suitable for use in all 4-stroke gasoline engines
The Liqui Moly Fuel Injector Cleaner is suitable for all 4-stroke gasoline engines. This includes engines with or without turbochargers and is safe for use with catalytic converters and particulate filters (GPF).
The 4-stroke engine is the most common type of internal combustion engine, and it is found in many modern automobiles. It is designed with higher compression ratios, which results in more effective fuel evaporation and increased engine efficiency. The fuel injector cleaner can be used to clean and maintain the fuel system of these engines.
The cleaner is added directly to the fuel tank and is effective for up to 2,000 km or 1,200 miles. It removes deposits on injection valves, intake valves, spark plugs, and in the combustion chamber, preventing new deposits from forming. This results in improved engine performance, smoother idling, and better throttle response.
By using the Liqui Moly Fuel Injector Cleaner, you can maintain the gasoline injection system, protect the fuel system against corrosion, and optimize the engine's performance. It is a combination of additives that restores proper fuel atomization, ensuring the engine runs smoothly and efficiently.
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Frequently asked questions
The Liqui Moly Fuel Injector Cleaner is added directly to the fuel tank. It can be mixed with fuel at any time since the mixing takes place automatically. 300 ml of the cleaner is sufficient for up to 70 litres of fuel.
It is recommended to use the Liqui Moly Fuel Injector Cleaner every 2,000 km or 1,200 miles, or as necessary.
The Liqui Moly Fuel Injector Cleaner removes deposits from injection valves, intake valves, spark plugs, and the combustion chamber. It also prevents new deposits from forming, improves engine efficiency, and protects the fuel system against corrosion.











































