Fuel + Engine System — GTA V Legacy

Add more control and realism to your drives with fuel consumption, manual ignition, and a customizable minimal HUD.

Start and stop your engine with K or by holding B on an Xbox controller. Engines stay running when you leave the vehicle, while parked cars with their engines off require a manual start.

Features

• Fuel consumption while driving and idling, with low-fuel warnings.

• Engine shutdown when the tank runs empty.

• Refueling at 27 configured gas stations.

• Minimal HUD with mouse dragging, mouse-wheel resizing, and separate width/height adjustments.

• Saved HUD position and appearance settings.

• Tap the exit button to close the door; hold it to leave the door open.

• Door-warning chime when the engine is running and a door is open.

• Keyboard and Xbox controller support.

Requirements

• GTA V Legacy for Windows, using Story Mode.

• Script Hook V with its ASI loader, dinput8.dll.

• ScriptHookVDotNet 3.7.0 nightly. Compiled against 3.7.0.195.

• .NET Framework 4.8 and Microsoft Visual C++ v14 Redistributable, as listed in the official SHVDN installation guide.

No LemonUI, NativeUI, or separate compiler is required. An Xbox controller is optional.

Installation

Copy these files directly into your GTA V scripts folder:

• FuelEngineSystem.cs

• FuelEngineSystem.ini

• Also add all wavs files to your script folder

Controls

• K / hold B: Toggle the engine.

• E / hold D-pad Right: Start or stop refueling while parked at a station with the engine off.

• F2: Open the HUD editor.

• Mouse drag