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: high-pressure pump for engines with direct petrol injection (GDI) turbocharger with ball bearing and variable vane geometry Mercedes-Benz cylinder head M 270 with camtronic pumps model case