An engine immobilizer is an anti-theft system that comprises an electronic security device fitted to the vehicle. It prevents the engine from running unless the correct key is present. Automotive key fob is either a digital coded key or a smart key embedded with a RFID transponder which sends signals to the immobilizer control unit. The engine immobilizer is an electronic chip embedded into the ECU of the vehicle, which is activated by a key fob. If the code in the key and the immobilizer ... Read more