Check the listing for details. AUTOOL® Engine Carbon Deposition Cleaning Walnut Blaster Car Intake Valve Cleane. Condition: New. Listed at 358.99 USD. The AUTOOL HTS558 Walnut Sand Carbon Cleaner is an entry-level engine carbon cleaning device. It ensures that the engine continues to deliver high quality power while maintaining normal operation.The HTS558 is part of the AUTOOL Walnut Sand Carbon Removal Cleaner series, which is relatively small in size and power, easy to operate, and equipped with a high quality engine that effectively removes carbon buildup and restores your car's performance back to its robust state. Why should I buy a walnut sand blasting machine? Carbon buildup can lead to unstable engine idling, insufficient air intake, stalling and weak acceleration. The Walnut Powder Engine Cleaner is an advanced device that cleans the highly viscous carbon buildup on the intake manifold. It keeps the engine in a healthy condition and ensures that the engine continues to deliver high quality power.What is walnut sand? The raw material of walnut sand is walnut shell, which is synthesized by several production processes after strict sieving and pounding. It is a kind of walnut extract, which belongs to metal polishing agent. Due to the high hardness, high compressive strength, high abrasion resistance, surface microporosity, etc., the use of walnut sand will not damage the motor, the cleaning effect is remarkable, and the cost is lowWhat are carbon deposits? If the fuel in an engine is not completely burned, some hydrocarbon olefin residues are deposited in the intake tracts and cylinders of the engine. At high temperatures, these residues turn into hard, black crusts called carbon deposits.. Why do I need to remove carbon deposits? Coal deposits lower the air-fuel ratio, reduce engine power, increase fuel consumption, and the engine shakes violently at idle, all of which cause a lot of damage to the engine. Usually, we should clean the carbon deposits after 40,000-50,000 kilometers per trip.Carbon Removal Specialist Carbon deposits cause erratic engine idling, inadequate air supply, loss of power and reduced acceleration.The HTS558 will help you effectively remove carbon deposits and help restore your car to a healthy engine.Deep Carbon Removal Deeply removes highly viscous carbon deposits from intake manifolds, intake valves and exhaust valves.External Air Source This allows the walnut grit particles to impact the carbon deposits more strongly and efficiently. How to use? 1 Open the head cap, pour in the walnut powder (2-4 kg), press the dust cap onto the walnut powder and close the cap. 2 Assemble the nozzle and recovery hose (there is a hole in the recovery hose) 3 Remove the engine intake manifold, insert the gun into the intake manifold and close the intake valve by rotating the crankshaft. Connect the high pressure air pump (not included) to the engine's system cleaner. 4 Plug in and begin the cleaning process. The process should take 1-3 minutes (depending on carbon deposits) 5 Switch off the unit and check the cleaning results. Typically, walnut powder can be reused 5-10 times (depending on carbon deposits). Recommended: 1 Air pump pressure should be greater than 0.7Mpa (7bar/102PSI) 2 The diameter of walnut powder should be between 0.4-0.8mm and the quantity between 2-4KG (4-9LB) 3 Cleaning time between 1-3 minutesSpecification Application: all vehicles Rated voltage: 110 V Rated frequency: 50/60 Hz Capacity: 13 L Rated power: 1200 W Vacuum suction power: 0.02 MPa Airflow: