Check the listing for details. Car Engine Carbon Deposition Cleaner Blaster Intake Pipe Valve Cleaning Machine. Condition: New. Listed at 389.00 USD. AUTOOL HTS 668 Walnut Sand Decarbonizing Machine is sprayed into the engine intake pipe through high-pressure airflow, and the high-pressure high-speed sand will roll and collide in the closed intake pipe, thereby impacting the carbon deposit on the intake valve and the cylinder wall. Then,the walnut sand and carbon deposit mixture are recycled to the dust bucket through a special joint.AUTOOL HTS558 Automotive Walnut powder engine Intake pipe valve clean machine is a advanced equipment for clean engine intake carbon deposition. Keeping engine in healthy status, make sure engine provide high quality power constantly. How to use?Open head cover of AUTOOL HTS558 and pour into walnut powder (need 2-4KG ), press dust guard on walnut powder then close coveroin spary gun muzzle and recycle hose together (there is a hole on recycle hose).Remove intake manifold of engine, plug spary gun into intake, turn crankshaf to close intake valve. Connect high pressure air pump((not include)) to HTS558.Connect AC power, start clean. The process should last 1-3 minutes(depending on carbon deposition circumstances).Close AUTOOL HTS558, check up cleaning result. Normally, walnut powder can be reuse 5-10 times(depending on carbon deposition circumstances). Car DE-Carbon Cleaning Experts Carbon deposits lead to engine idling instablity, insufficient air intake,power down,acceleration weakness. HTS558 helps you clean the carbon deposits effetively restoring your car to a healthy engine.It is a special machine for engine Intake pipe and intake valve back side clean. Close intake valve, then spray walnut powder into engine intake via air pump(not include), meanwhile HTS558 will recycle walnut powder by vacuum. This is a closed loop. Walnut powder will impact carbon deposition on inner wall of intake pipe. After thousands of impact, carbon deposition will be clear thoroughly.Deep Removal Of Carbon Deposits Deeply remove the highly sticky carbon deposits on the intake manifold, intake & exhaust valves.It is specail for intake pipe and intake valve back side clean only, if you want to clean carbon deposition on injector/throttle valve/cylinder, please choose CT150,CT160,CT200 or C100. Walnut powder not include in package,please get it in local market; High pressure air pump is requirement(not include in package); Walnut powder residual in intake pipe will go to ashes in high temperature after engine start.Built-In Dust Filter It can separate the recovered walnut sand grit from carbon deposits for recycling.External Air Source This enables the walnut sand grit to strike the carbon deposits more powerfully and efficiently.RecommendAir pump pressure should more than 0.7Mpa (7bar/102PSI)Walnut powder diameter should between 0.4-0.8mm, amount in 2-4KG(4-9LB)Cleaning time between 1-3 minutesPaymentShippingReturnFeedbackAbout usPaymentPayment: 1. We accept PayPal only.2. Credit card (Visa, Eurocard/MasterCard, Amex, and Switch or Visa/Delta) payment can be accepted ONLY through PayPal (You don't need a PayPal account)!3. Other payment methods (Bank transfer, Cheque, etc.) are NOT acceptable !4. Please make the payment within 3 days. 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For international buyers For those international buyers, pls be known that import duties, taxes and charges are not included in the item price or shipping charges.The charges are the buyer's responsibility. Pls check with your country's Customs Office to determine what these additional costs will be before you bid.FeedbackFeedback:1. Your satisfaction is our priority. Please contact us if you have any problem or dissatisfaction.2. We will resolve every issue for you and amke every effort to meet your satisfaction.About usAbout us： 1.Our customer-oriented service strives for good buying experience. 2.Please feel free to contact us via eBay message once you have any question. We will reply you within 24 business hours. 3.Business time: 8:30-18:00 from Monday to Friday 9:00-12:00 Saturday