Products Description
The MP48/YC48 CNG/LPG sequential injection control system is an AI-driven electronic control unit developed through over 20 years of gas vehicle engineering expertise. By reading factory gasoline injection signals combined with real-time parameters—such as engine RPM, coolant temperature, gas pressure, gas temperature, and manifold pressure—the ECU precisely regulates gas injection timing for optimal power, fuel economy, and Euro 6 emissions compliance.
Software Resource Download:
Access the official diagnostic and tuning tools, driver packages, and setup utilities here:
💾 Download MP48 ECU Software & Calibration Drivers

System Compatibility & Kit Specifications
Available in both OBD and non-OBD configurations, the MP48/YC48 system supports 3-cylinder and 4-cylinder naturally aspirated or turbocharged multi-point injection engines.
Standard MP48/YC48ECU Kit Includes:
YC48 Series Gas ECU
YC Series Automotive Gas Wiring Harness
YCSW-01 Fuel Change-Over Switch
YCGP-01 MAP & Gas Pressure Sensor
YCWT-01 Coolant Temperature Sensor
YC48 Wiring Diagram, Instruction Manual, and Qualification Certificate
Core Technical Features
Automotive-Grade Components: Built with high-durability automotive-grade electronic components.
AI Automatic Calibration: Streamline engine mapping using automated AI setup utilities within the software.
Injector Protection & Heating: Integrated self-heating for gas injectors prevents cold-weather freeze-ups.
Smart Mode Switchover: Automatically reverts to petrol mode under low gas pressure or low temperature conditions.
Rich Air-Fuel Protection: Shields the Three-Way Catalyst (TWC) and exhaust valves from overheating damage.
Comprehensive Diagnostic Tools: Built-in OBD II diagnostics, gasoline ECU communication, and oxygen sensor emulation.
Maintenance & Gas Lock Features: Program service intervals and toggle gas lock functionality directly via software.
To inspect additional ECU hardware variations or full product lines, visit our CNG/LPG ECU Product Center.
Frequently Asked Questions (FAQ)
Where can I download the driver and software for MP48 / YC48 gas ECUs?
You can download the full diagnostic software, PC connection drivers, and calibration manuals directly from our MP48 ECU Software Resource Page.
Why does the software fail to connect to the YC48 ECU via the USB interface cable?
Connection failures usually stem from uninstalled FTDI USB drivers or incorrect COM port selection in the software. Ensure your interface cable driver is updated, select the matching COM port in the software settings, and confirm the vehicle ignition is turned ON.
How does the rich air-fuel ratio protection feature safeguard the engine?
Under heavy acceleration or high engine loads, running lean can rapidly elevate exhaust gas temperatures, risking burnt exhaust valves or damaged catalytic converters. The software triggers rich air-fuel protection to adjust gas pulse width or blend gasoline, ensuring safe combustion temperatures.




