✅ Combines Blasting and Vacuum Recovery in One Unit. Carbon deposits lead to engine idling instability, insufficient air intake, power down, acceleration weakness. HTS678 can help you effectively remove carbon deposits, mixing walnut sand and high-pressure gas through a high-pressure air pump and spraying it onto the surface of the parts to be cleaned, effectively breaking up and removing stubborn dirt such as carbon deposits and oil sludge Deep Removal Of Carbon Deposits.