What is injection lag?

Injection lag refers to the delay between the start of fuel injection into an engine's combustion chamber and the actual initiation of combustion. This lag can impact engine efficiency and performance, as it affects the timing of when fuel is ignited relative to the engine's cycle. Factors influencing injection lag include fuel properties, injector design, and engine operating conditions. Reducing injection lag is crucial for optimizing combustion and minimizing emissions in internal combustion engines.