Dirty carburetors and fuel injection system parts are removed in the blink of an eye. Bardahl Fuel System Parts Cleaner removes gum and varnish in the fuel system. It cleans the automatic choke, nozzles and injection needles and prevents irregular idling of the engine. Bardahl Fuel System Parts Cleaner has the great advantage that it is injected with force and sprays and dissolves the deposits, as it were. It also crawls well between the links of all moving parts.