Professional Diesel System Cleaner for Restoring Performance

The Liqui Moly Pro-Line Diesel System Cleaner is a professional-grade fuel additive designed to clean the entire diesel fuel system and restore lost engine performance. Over time, diesel engines develop deposits in injection nozzles and combustion chambers. As a result, power drops, fuel consumption increases, and exhaust smoke becomes worse. This product solves that problem by removing harmful deposits and improving the combustion process.

Liqui Moly is known worldwide for premium German-engineered engine care products. Therefore, this diesel cleaner delivers workshop-level results for both professional and private users.

Tested Performance for Cleaner and More Efficient Engines

This product has been successfully tested in international test bench analyses and has shown excellent results in:

• Reducing pollutant emissions

• Improving smoke opacity before emissions tests

• Restoring smooth engine operation

• Improving overall performance

Because of this, it is an ideal solution before vehicle inspections or emissions testing.

Deep Cleaning of Injectors and Combustion Chambers

This Liqui Moly Diesel Cleaner works throughout the entire fuel system and:

• Cleans injection nozzles

• Cleans the fuel system

• Cleans combustion chambers

• Removes harmful deposits

• Prevents seizing and gumming of nozzle needles

As a result, fuel atomisation improves and the engine runs smoother and more efficiently.

Improves Combustion and Reduces Smoke

In addition to cleaning, this additive:

• Optimises the combustion process

• Reduces smoke and exhaust emissions

• Improves throttle response

• Helps restore lost engine performance

Clean engines also burn fuel more efficiently, which can help reduce overall fuel consumption.

Easy to Use and Highly Effective

You simply add the cleaner directly to the fuel tank.

• One 500ml can treats up to 70 litres of diesel fuel

Because of this simple application, it is suitable for workshops, fleets, and home users.

Suitable for Modern and Older Diesel Engines

This product is:

• Suitable for all diesel engines

• Safe for turbocharged diesel engines

• Safe for vehicles with or without DPF (diesel particulate filter)

Why Choose This Product

Overall, this Liqui Moly Diesel Cleaner offers a powerful and reliable way to clean diesel fuel systems, reduce emissions, and restore performance. Because it works throughout the entire fuel system, it helps keep diesel engines efficient, clean, and reliable.

Key Features

• Professional diesel fuel system cleaner

• Cleans injectors, fuel system and combustion chambers

• Prevents seizing and gumming of nozzle needles

• Reduces smoke and emissions

• Restores engine performance

• Tested in international test bench analyses

• One can treats up to 70 litres of diesel

• Suitable for diesel and turbo diesel engines with or without DPF