Fuel system cleaners are made up of:

Solvents and detergents

Dispersants and detergents

Lubricants and viscosity modifiers

Ethylene glycol

1 answer

Fuel system cleaners are primarily made up of solvents and detergents. These components work together to clean and remove deposits from fuel injectors, intake valves, and combustion chambers, helping to improve engine performance and efficiency. Some formulations may also include dispersants, but the main active ingredients are typically solvents and detergents.