Lpi+vialle+technical+manual Jun 2026

| Parameter | Petrol Mode | LPG Mode (Target) | | :--- | :--- | :--- | | LPG Pressure | N/A | 5.5 – 6.5 Bar | | Injector opening time | 2.0 – 3.5ms | 2.2 – 4.0ms | | Lambda correction factor | 0.95 – 1.05 | 0.98 – 1.02 | | Pump PWM duty cycle | 0% | 65% – 85% |

Direct management by the engine control unit (ECU) ensures precise emission control and smooth drivability. 2. Core Components Documented in the Technical Manual

This article is derived from operational manuals and technical bulletins for Vialle LPI systems up to 2020. Always refer to the latest OEM documentation for vehicle-specific adaptations. lpi+vialle+technical+manual

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Interfaces with the vehicle's original ECU to control the LPi injectors. | Parameter | Petrol Mode | LPG Mode

A thorough covers several critical areas, often categorized by installation, diagnostic, and calibration procedures. A. Installation Guidelines

The fuel tank houses more than just liquid propane. It contains an integrated, submersible electrical membrane pump called the PTC pump. Always refer to the latest OEM documentation for

While liquid injection is highly efficient, it is incredibly sensitive to debris. The manual mandates replacing the inline liquid-phase fuel filter every 20,000 to 30,000 kilometers.

+---------------------------------------------------------------+ | LPG TANK | | [ Liquid LPG ] ---> ( PTC Fuel Pump ) ---> [ Outflow Valve ] | +-------------------------------------------------------+-------+ | v ( High-Pressure Feed ) | v +-------------------------------------------------------+-------+ | ENGINE BAY | | [ Injectors ] <--- [ Fuel Rail ] <--- [ Pressure Regulator ] | +-------------------------------------------------------+-------+ | | v (Excess Fuel) | [ Return Line ] --------------------------------------+ The LPG Tank and PTC Pump

Safely vent or recover all remaining liquid and vapor LPG from the storage tank using a dedicated recovery station.