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: Common-rail high pressure pump with fuel-delivery regulation valve and injector function model crankshaft in-line injection pump with RQV flyweight governor VE pump, electronically controlled with solenoid valve