Lpi Vialle — Technical Manual Top [2021]
Liquefied Petroleum Injection (LPi) systems developed by Vialle represent a major milestone in automotive autogas technology. Unlike older, conventional Liquid Petroleum Gas (LPG) systems that vaporize fuel before delivery, the Vialle LPi system injects LPG directly into the intake manifold in a liquid state.
The Vialle LPi (Liquid Propane Injection) system is a 5th-generation technology that injects LPG directly into the intake manifold using a high-pressure pump to improve cylinder filling, with the LPE control unit managing injection. Key installation components include a specialized tank pump, a coupling block, and high-precision V17 injectors, detailed further in the Vialle LPi LPE-7 Assembly Manual Motor-Talk
The pressure regulator features a built-in electric shut-off valve that controls the return line back to the fuel tank. lpi vialle technical manual top
These are mounted directly into the intake manifold, often using specific adapters to ensure the correct discharge angle toward the intake valves.
: Check for water damage at electrical connectors or crush damage to the cable/pipe loom running from the tank to the coupling block. Fuel Gauge Issues Key installation components include a specialized tank pump,
The LPI Vialle technical manual is an invaluable resource for anyone working with LPI systems, particularly those using Vialle injectors. By understanding the contents of the manual and following best practices, technicians and engineers can ensure optimal performance, efficiency, and reliability of LPI systems. Whether you're designing, installing, or troubleshooting LPI systems, the LPI Vialle technical manual is a must-have reference guide.
Symptom: LPG runs but lacks power → Check liquid pressure drop under WOT (should stay >4.5 bar) → Inspect top cover diaphragm (no visible crack = no guarantee) → Perform injector leak test (liquid LPG drip = bad injector) Fuel Gauge Issues The LPI Vialle technical manual
A clean engine speed signal is taken from the crankshaft sensor or camshaft sensor to synchronize injection cycles.