Designed for heavy duty cleaning of diesel fuel systems, SCA Diesel Fuel System Cleaner uses powerful additive technology that cleans even the toughest carbon and varnish deposits to maintain fuel system cleanliness. SCA Diesel Fuel System Cleaner not only removes dirt and deposits from injectors but the entire fuel system while also lubricating components and extending component service life. Carbon deposits are removed from intake valves and combustion chambers; improving efficiency and reducing exhaust smoke and emissions. This 300mL bottle of SCA Diesel Fuel System Cleaner treats up to 100L of petrol, and is ideal to be added to a full tank of fuel up to 100L. It is compatible for use in all diesel engines, including fuel injected and carburetted systems, and wont harm emissions equipment such as catalytic converters and oxygen sensors.