VSI is an abbreviation for "Vapour Sequential Injection". The VSI system is the most advanced vapour injection
system available on the market. The VSI system is available in an LPG as well as a CNG version and is also suitable for the latest generation Direct Injection engines (VSI-DI). With the VSI
system there is no difference with driving on petrol. With the VSI system Prins strives for optimal emission and cost reduction.
The VSI system is developed in close cooperation with
Keihin Corp. of Japan, one of the world's leading injector manufacturers and a name that stands for high quality and reliability.
The VSI system is fully integrated by way of a
"master - slave" method with the vehicle ECU, making it (E)OBD compatible, therefore signal emulation is not required.
The key components of the system are all of high quality
and specially designed for LPG and CNG applications. All components comply with the strictest regulations and certifications. The installation of the components is very easy due to the compact
design of the components.
The especially dedicated diagnostic software is unique and enables fine tuning the VSI system for optimal performance and emission reduction.