Lpi Vialle Technical Manual Top May 2026

| Step | Action per "Top" Manual | Expected Result | | :--- | :--- | :--- | | 1 | Monitor Fuel Rail Pressure via OBD (PID 1184) | Should stay @ 32 Bar +/- 2 Bar | | 2 | If pressure drops below 25 Bar @ WOT -> Test Pump Amperage (Terminal D4) | Should be < 8 Amps | | 3 | If Amperage > 10 Amps -> Filter clogged | Replace in-tank filter sock (P/N V700001) | | 4 | If Amperage < 4 Amps -> Pump speed signal missing | Check ECU ground (Pin A1 & A2) |

"LPG system cuts out at wide-open throttle (WOT)." lpi vialle technical manual top

Do not trust generic forums. Do not guess with high-pressure LPG. Download or purchase the legitimate Technical Manual Top , study the hydraulic flow chart, and keep a copy on your diagnostic tablet. Your reputation—and your safety—depend on it. Look for Table 5.3 in the "Top" manual: Injector rail bolts (10 Nm + 90°), Tank multi-valve screws (18 Nm), Pressure sensor (25 Nm). Never guess torque on LPG components. | Step | Action per "Top" Manual |

Without the "Top" manual, you would likely replace the pump ($1,200) only to find the ground strap was corroded. The LPI Vialle Technical Manual Top is more than a book; it is the combined knowledge of Vialle’s Dutch and Australian engineering teams. Whether you are troubleshooting a P0190 pressure code, replacing a stepper motor on the tank valve, or flashing the ECU with new injector trim tables, this manual provides the safety, accuracy, and speed required for professional repair. Your reputation—and your safety—depend on it