Liqui Moly Truck Series Complete Gasoline System Cleaner 500 ml — removes injector & combustion deposits, improves cold starts

Liqui Moly Truck Series Complete Gasoline System Cleaner (500 ml) is a concentrated petrol additive that removes deposits from injectors, intake valves, spark plugs and combustion chambers to restore smooth starting and engine running.

This 500 ml treatment is formulated for gasoline engines to dissolve varnish and carbon build-up, improve fuel atomization and protect fuel system components from corrosion. It works throughout the entire fuel injection circuit—nozzle tips, intake tract and chambers—so the engine breathes and ignites more consistently. Regular use can help normalize fuel compensation, reduce rough idling and support lower emissions without mechanical disassembly.

How does this additive improve cold starts and rough idling?

Deposits on injectors and spark plugs alter spray patterns and ignition behaviour, which commonly cause difficult cold starts and unstable idling. Liqui Moly’s formula cleans these critical surfaces so fuel is sprayed more evenly and ignited reliably, reducing misfires and stumbling during warm-up.

• Dissolves varnish and carbon from injector nozzles and plugs
• Restores consistent fuel spray pattern for better atomization
• Reduces uneven idling by clearing intake and combustion deposits

Will this product protect my fuel system from corrosion and future deposits?

Yes—besides cleaning, the additive leaves a protective layer that helps inhibit corrosion on metal components exposed to fuel and combustion by-products. It also contains deposit control agents that reduce fresh build-up for a period following treatment, extending the interval between deep cleanings.

• Forms a protective film inside the fuel system to slow corrosion
• Includes active deposit inhibitors to delay reformation of residues
• Safe for seals, hoses and common injection materials when used as directed

How does using this cleaner affect fuel economy and emissions?

Cleaning injectors and combustion chambers improves fuel-air mixing and combustion efficiency, which often translates to more complete burns and fewer unburned hydrocarbons in the exhaust. While individual gains vary by vehicle condition, many drivers notice more stable consumption and improved emission values after treatment.

• Optimizes fuel atomization for more complete combustion
• Helps normalize fuel compensation for reduced excess fuel usage
• Supports lower pollutant output by clearing combustion deposits

How do I use the 500 ml bottle and how often should I treat my vehicle?

The 500 ml bottle is a single concentrated treatment designed for filling directly into a near-empty fuel tank before refuelling or as directed on the label. Frequency depends on driving style and fuel quality; as a guideline, use it every 3,000–5,000 km or whenever starting and running problems return.

• Add the specified dose to the fuel tank before filling up
• Treat every service interval or when symptoms of deposits appear
• Compatible with standard gasoline engines—follow label instructions for best results

Who is this for? Liqui Moly Truck Series Complete Gasoline System Cleaner is aimed at drivers, fleet managers and technicians who want a straightforward, shop‑friendly way to restore injector performance, improve cold-start behavior and reduce emissions without disassembly. It’s suitable for passenger cars and light commercial vehicles with gasoline injection systems that show symptoms of deposit-related performance loss or as part of regular preventative maintenance.