Typical diagram of a fuel evaporative emission reduction system
1 - air filter; 2 - fuel injector; 3 - engine; 4 - carbon filter; 3 - fuel shut-off valve; 6 - purge control electromagnetic valve; 7 - overflow limiter (two-way valve); 8 - fuel filler pipe; 9 - lid; 10 - equalizing tube; 11 - free space in the tank; 12 - fuel level gauge; 13 - fuel; 14 - filter; 15 - fuel pump.