What type of injection system typically offers improved throttle response?

An electronic fuel injection (EFI) system offers improved throttle response primarily because it utilizes advanced electronic controls to optimize fuel delivery based on real-time engine conditions. This system monitors various parameters, such as engine speed, air temperature, and load, allowing for precise adjustments to the fuel-air mixture. As a result, the EFI can react quickly to changes in throttle position, providing a more responsive and efficient acceleration.

In contrast, mechanical fuel injection systems rely on mechanical components, which may not respond as rapidly to changes in engine demands. Carbureted systems are more prone to lag and fluctuations in throttle response due to the reliance on venturi effects and mechanical linkage systems, which can lead to inconsistencies in fuel delivery. Direct fuel injection systems can also provide quick response but may not always match the precision tuning and adaptability of electronic systems, especially in varying driving conditions. Therefore, the electronic fuel injection system is recognized for its superior performance in achieving optimal throttle response.