The process involves using a machine that connects to a vehicle, producing an Oxy-Hydrogen gas that passes through the engine and out the exhaust. This gas breaks down and strips away carbon build-up, depositing it as a gas from the exhaust.
The combustion process inside your engine, that is responsible for producing soot deposits in the cylinder, pistons, particle filters, EGR valves and turbos. Clogged parts prevent the engine from functioning properly. If carbon deposits (soot) are not removed regularly, faults can occur and the costs can soon mount up. (Expect around £325 per EGR valve and up to £2000 for a turbo.