EMULATOR IS DEVICE THAT DURING THE GAS USE OF THE CAR, REPRODUCES OR CHANGES THE OPERATION OF A PRE-EXISTING ELECTRICAL OR ELECTRONIC COMPONENT IN THE ORIGINAL CAR ***** EMULATORS ADJUST THE SETTINGS OF OEM COMPONENTS SUCH AS INJECTORS. OXYGEN SENSORS, MAP& TPS SO THAT THE VEHICLE WILL FUNCION SMOOTHLY WHEN THE FUEL IS SWITCHED OVER FROM PETROL TO CNG/LPG.