Liqui Moly Pro-Line Diesel System Cleaner (500ml) – Professional Fuel System & Injector Treatment #5156

23,00  incl. VAT

Professional System Cleaning
Professional fuel system cleaner that effectively removes deposits from injectors and the combustion chamber.

  • Restores lost engine power and performance.
  • Reduces exhaust smoke and harmful emissions.
  • Protects high-pressure components from corrosion.
  • Increases cetane number for smoother combustion.

Description

Liqui Moly Pro-Line Diesel System Cleaner

Professional-grade cleaning additive designed to remove stubborn deposits from injectors and the combustion chamber. Restores performance and ensures optimal combustion. Item #5156.

Made in Germany
500ml capacity
Cetane Plus formula
Pro-Line Series

Advanced Injector Recovery

Over time, high-pressure injectors develop carbon deposits that disrupt the fuel spray pattern, leading to power loss and increased fuel consumption.

  • Deep Cleaning: Removes carbon and lacquer deposits from needle nozzles and the entire high-pressure system.

  • Boosts Cetane: Increases the ignition performance (cetane number) for a quieter, more responsive engine.

  • Corrosion Protection: Contains highly effective antioxidants and corrosion inhibitors to protect the fuel circuit.

Liqui Moly Pro-Line Diesel System Cleaner 5156 professional fuel system additive
Protective properties of Liqui Moly Pro-Line diesel cleaner for high-pressure fuel systems

Engine Efficiency Restored

A clean fuel system is the foundation of a healthy and economical diesel engine.

  • Smooth Idling: Eliminates engine hesitation and knocking sounds caused by dirty injectors.

  • Fuel Economy: Restores the factory-intended spray pattern, optimizing fuel atomization and consumption.

  • Low Emissions: Reduces smoke opacity and exhaust pollutants, making it ideal before smog tests.

Restored engine power and cleaner combustion after using Liqui Moly Pro-Line diesel system treatment

Application & Usage

A 500ml concentrate designed for both preventive maintenance and troubleshooting.

  • Standard Dosage: Add 500ml directly to the fuel tank. One can is sufficient for up to 70 liters of diesel.

  • Problem Solving: For severe injector fouling, the product can be fed directly to the fuel pump by disconnecting the intake/return lines (professional use recommended).

  • Regular Maintenance: Use every 2,000 km to maintain peak performance and prevent deposit build-up.

Monitor your engine’s health

A clean fuel system works best when you can monitor the engine’s vital signs. Pair this treatment with our DPF Control displays to track regeneration cycles and ensure your particulate filter remains clear after the cleaning process.


View DPF Control Monitors

Real-time DPF system monitoring with DPF Control OBD2 device

Expert Advice Ready

Unsure if this Pro-Line cleaner is right for your vehicle? Our specialists are here to help.

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