LIQUI MOLY – Diesel Engine Intake Decarb (326g) – Audi & Volkswagen

LIQUI MOLY – Diesel Engine Intake Decarb (326g) – Audi & Volkswagen

High-strength active solvent formula designed to remove carbon, soot, and oil contamination from the diesel intake and throttle valve system.
Effectively dissolves stubborn deposits that restrict airflow and reduce engine performance. Ensures smooth operation of all moving components and restores efficiency in modern diesel engines.

 Key Features

• Cleans intake manifold and throttle valve area

• Removes oil, soot, and carbon deposits

• Improves air intake flow and engine responsiveness

• Can be used without dismantling the intake system

• Safe for vehicles with EGR valves and diesel particulate filters (DPF)

• Optimizes fuel economy and reduces smoke

• Quick and easy to use during inspection or servicing

 Technical Information

• Form: Liquid aerosol

• Appearance: Amber, cloudy

• Base: Solvent mixture

• Odour: Characteristic

• Flash Point: < 21 °C

• Shelf Life: 24 months (sealed container)

 Usage Instructions

• Access the intake system as close to the engine as possible and downstream of the airflow meter

• Start the engine and maintain about 2000 RPM during cleaning

• Spray in short bursts of 2–3 seconds using the probe while moving it back and forth

• Stop immediately if RPM increases by more than 1000 RPM

• After application, allow the engine to run for 20 seconds at 2000 RPM to clear residues

• Repeat with a second can if heavy deposits remain

• Avoid contact with the airflow meter or painted surfaces

 Recommended for preventive maintenance during inspections to keep diesel intakes clean and ensure consistent performance.