K-Jetronic

Jetronic is a trade name of manifold fuel injection system for automotive gasoline engines developed and marketed by Robert Bosch GmbH in Germany from the 1960s onwards. Bosch licensed their system to many (most European) car manufacturers.
The “K” in K-Jetronic means “Kontinuierlich” (German), meaning continuous. Commonly called ‘Continuous Injection System (CIS) in the USA. K-Jetronic is different from pulsed injection systems in that the petrol flows continuously from all injectors, while the fuel pump pressurises the petrol up to approximately 5 Bar. The volume of air taken in by the engine is measured to determine the amount of fuel to inject. K-Jetronic debuted in the 1973 Porsche 911T and was later installed by a number of German, French, Italian and Swedish car manufacturers.

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