continuous injection system

continuous injection system
(CIS) A mechanical fuel injection system designed and manufactured by Bosch, used on many German vehicles. In a CIS system, the fuel injectors are always open (i.e., they emit a continuous spray of fuel into the intake ports). The amount of fuel sprayed is determined by the fuel pressure in the system, which in turn is determined by the position of the throttle.
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Dictionary of automotive terms. 2015.

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