Here’s a short, interesting blog-style post based on the search terms "LPI + Vialle + technical manual" — focusing on the niche world of LPG vehicle systems.
While most aftermarket Autogas (LPG) systems utilize Vapor Phase Injection (VPI) , the Liquid Phase Injection (LPI) system, co-engineered by Vialle (now part of the Prins Autogassystemen group), operates on a fundamentally different thermodynamic principle. LPI injects liquid LPG directly into the intake port at approximately 5–8 bar, where it vaporizes internally, cooling the intake air and increasing volumetric efficiency. lpi+vialle+technical+manual
Maintenance is typically minimal, though identifying specific failure points is critical for system longevity. Common Faults Here’s a short, interesting blog-style post based on
Cooling Effect: When liquid LPG evaporates in the intake, it cools the incoming air, increasing oxygen density and often improving engine performance compared to vapor systems. A Dutch or Australian mechanic trying to revive
: Specialized injectors designed for liquid LPG, allowing for high-precision dosing. Synthetic Lines