A throttle body regulates the volume of air entering an engine’s intake manifold, much like a valve. The “102mm” refers to the diameter of the throttle body’s opening, influencing airflow capacity. “Drive by wire” indicates an electronic system controlling the throttle plate’s position, replacing traditional mechanical linkages connected to the accelerator pedal. This electronic control allows for finer adjustments and integration with other engine management systems.
Larger throttle bodies, such as those with a 102mm bore, can increase engine performance, particularly in modified or high-performance applications where increased airflow is desired. The electronic control inherent in drive-by-wire systems enables more precise control over air intake, leading to improved fuel efficiency, optimized power delivery, and enhanced integration with features like traction control and cruise control. This technology has become increasingly prevalent in modern vehicles, replacing older cable-operated throttle systems.
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