LIQUI MOLY Pro-Line Diesel Intake System Cleaner

Fits Most Diesel Engine Models

20208

Overview:

The LIQUI MOLY Pro-Line Diesel Intake System Cleaner is a specialized cleaning solution designed to maintain and restore the intake manifold and throttle body of diesel engines. Formulated with a powerful blend of cleaning agents, it effectively dissolves and removes deposits and contaminants that accumulate over time, ensuring the smooth operation of moving parts within the intake system. This product is ideal for modern diesel engines, including those with direct injection, turbochargers, and advanced emission control systems.

Regular use of this intake system cleaner helps prevent costly repairs by keeping the intake valves, EGR valves, and throttle bodies free from carbon buildup and other deposits. It is safe for use with catalytic converters, diesel particulate filters (DPF), and exhaust gas recirculation (EGR) systems, making it a reliable choice for maintaining engine efficiency and longevity.

Key Features:

Designed specifically for diesel engines, the LIQUI MOLY Pro-Line Diesel Intake System Cleaner offers a range of benefits that optimize engine performance and reduce maintenance costs:

• Effectively dissolves and removes carbon deposits and contaminants from intake manifolds and throttle bodies
• Restores normal function of moving parts within the intake system
• Safe for use with catalytic converters, EGR valves, and diesel particulate filters (DPF)
• Suitable for all diesel engines, including those with or without turbochargers
• Prevents buildup on intake valves of modern direct-injection diesel engines
• Reduces repair costs by maintaining optimal intake system condition
• Simple to use with a spray probe for precise application
• One 400 ml can provides a single complete treatment
• Recommended preventive application every 12 months or 10,000 miles
• Does not require dismantling of intake components for cleaning

Construction & Design:

The cleaner is packaged in a 400 ml aerosol can equipped with a specially designed spray probe to ensure targeted and effective application directly into the intake system. The formulation is engineered to be gentle on sensitive engine components while aggressively breaking down stubborn carbon deposits. Its compatibility with modern emission control systems reflects LIQUI MOLY’s commitment to environmentally responsible product design.

Installation & Fitment:

Installation is straightforward and requires no permanent modifications. To apply, attach the supplied spray tube with nozzle to the can. Access the intake system by removing the hose or pipe immediately before the throttle housing. The engine must be running during application, maintaining a minimum speed of 2000 rpm. Spray the cleaner in short intervals of 2-3 seconds while moving the nozzle back and forth to treat the entire intake tract. If engine speed fluctuates excessively, pause spraying until it stabilizes. Avoid contact with the air mass sensor and painted surfaces. After treatment, allow the engine to run for at least 20 seconds at 2000 rpm to clear any residual fluid. Any stored fault codes should be erased following the cleaning process.

This product fits most diesel engines, regardless of manufacturer or model, including those equipped with turbochargers and advanced emission systems.

What's Included:

• One 400 ml can of LIQUI MOLY Pro-Line Diesel Intake System Cleaner
• Pre-attached spray probe for precise application

Ideal For:

This intake system cleaner is perfect for diesel vehicle owners and professional technicians seeking to maintain engine performance and reduce maintenance costs. It is especially beneficial for vehicles experiencing rough idling, reduced power, or increased fuel consumption due to intake system deposits. Regular use supports the longevity of diesel engines and their emission control components.

LIQUI MOLY is a German lubricant and car‑care brand known for high-quality motor oils, additives, and maintenance chemicals used by enthusiasts who care about protection under heat and stress. With a huge catalog spanning engine oils, fuel and oil additives, and service fluids, it’s a popular choice for performance and motorsport-minded drivers who want consistent lubrication and cleanliness when engines are pushed hard.