A method and apparatus for cleaning the fuel injection system of a vehicle without disassembling the fuel injectors from the vehicle engine, the apparatus comprising a mechanism for feeding a solvent-fuel mixture into the fuel supplying system of the engine, a control system for the feeding mechanism...http://www.google.fr/patents/US4606311?utm_source=gb-gplus-shareBrevet US4606311 - Fuel injection cleaning system and apparatus
