The system utilizes a specialized LPE (LPi Control Unit) that mirrors the vehicle’s original petrol ECU strategy. It converts petrol injection timing into corresponding LPG timing, ensuring features like RPM limits and fuel shut-off during deceleration are preserved. 2. Core Technical Components
The LPE-7 unit uses internal relays to interrupt the original petrol injectors when operating on LPG. It employs 100 Ohm resistors as "dummy loads" to prevent the vehicle's original ECU from triggering diagnostic fault codes. lpi vialle technical manual top
By injecting liquid LPG at the inlet valve, the system benefits from a "phase-change cooling effect" that prevents overheating and maintains high volumetric efficiency. The system utilizes a specialized LPE (LPi Control
The system represents a significant shift from traditional vapor-based LPG conversions by injecting fuel in its liquid state directly into the intake manifold. This technical overview, derived from official assembly and technical manuals, details the system’s architecture, core components, and operational logic. 1. System Architecture and Operation Core Technical Components The LPE-7 unit uses internal
Technical manuals like the Vialle LPi LPE-7 Assembly Manual provide strict guidelines for electrical integration:
Maintains a constant system pressure of 5 bar above the current tank pressure to prevent vapor bubbles from forming in the lines.
Connections are usually made directly to the battery positive terminal at the fuse/relay box, using soldered eye terminals for stability. 4. Troubleshooting and Maintenance Dedicated LPG? - The 'E' Type Forum
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118 U.S.C. § 2257 Record-Keeping Requirements Compliance Statement