Ecotronic system (carburetor) function of: choke valve regulator, solenoid valves, potentiometer, corrector needle, throttle valve regulator, float, float needle valve, throttle valve and idle-mixture adjusting screw description ordernumber 1033 see also: case model, valves in-line type injection pump with electronic control Injection timing device, in-line pump Cylinder head with piezo injector