The is the definitive guide for understanding, installing, and maintaining the Liquid Propane Injection (LPi) system, a revolutionary advancement in LPG autogas technology. Unlike traditional vapor systems, LPi injects LPG in its liquid state directly into the intake manifold, preserving engine performance and efficiency. Core Technology & System Benefits
For any diagnostician, the wiring diagrams are the heart of the Lpi Vialle Technical Manual. Vialle systems integrate deeply with the vehicle’s original ECU (the petrol ECU). The manual outlines how the LPi ECU intercepts signals from the petrol injectors to calculate the correct LPG dosage. Lpi Vialle Technical Manual