i-DSI utilizes two spark plugs per cylinder which fire at different intervals during the combustion process to achieve a more complete burn of the gasoline.

This process allows the engine to have more power while keeping fuel consumption low, thanks to the better gasoline utilization.

The i-DSI is also known for not using Turbochargers in the performance category, as it uses a high compression, long stroke with a lightweight and compact engine.

With the introduction of the Fit in Canada and the United States, an L-series engine was mated to a traditional automatic transmission with a torque converter for the first time.

[9][10] This engine has been used since 2009 in 2nd Gen Honda Jazz 2023–present Acura Integra (DE4) Integrated Motor Assist (IMA) hybrid system, features Variable Cylinder Management (VCM)[36] i-VTEC with Integrated Motor Assist (IMA) hybrid system Earth Dreams i-VTEC with Sport Hybrid i-DCD (intelligent Dual-Clutch Drive) system, operates in Atkinson-cycle Earth Dreams i-VTEC with Sport Hybrid “i-MMD” (Intelligent Multi Mode Drive) system, operates in Atkinson-cycle