📄️ Alpha-N Strategy
Introduction
📄️ Lua Strategy
Use Lua to control the engine fueling strategy/control algorithm.
📄️ MAF Fuelling Strategy
MAF-based fuelling is an engine management strategy that calculates fuel delivery using the mass air flow (MAF) sensor’s measurement of the air entering the engine. Because it measures actual air mass rather than estimating it, the ECU can deliver very accurate fueling across a wide range of operating conditions. This approach automatically compensates for changes in temperature, altitude, and engine modifications that affect airflow. As a result, MAF-based systems typically offer good drivability, fuel economy, and emissions control.
📄️ Speed Density Strategy
Out of the fuelling strategies, speed density is the most commonly used in modified cars and ECU tuning.Speed density fuelling is an engine management strategy that estimates the amount of air entering the engine using engine speed (RPM), manifold absolute pressure (MAP), and intake air temperature. Instead of directly measuring airflow like a MAF sensor, the ECU calculates air mass based on a volumetric efficiency (VE) model of the engine. This approach is simple, fast to respond, and works well with aggressive camshafts or setups where MAF sensors are impractical. However, it relies heavily on accurate VE tuning to maintain precise fueling across all operating conditions.