BOSCH Continuous Injection System (Cis): Description

The Bosch Continuous Injection System (CIS) is neither a conventional mechanical or electronic fuel injection system. The main function of any carburetor or fuel injection system is to mix air and fuel for the most efficient combustion. In the CIS system, air requirement of engine is measured first and later the necessary fuel is added. Main components of the system are a fuel distributor, air sensor, two control pressure regulators, throttle valve, injection valves and a start valve.