How does 2 stage injector work?

A two-stage injector operates by using two distinct stages to deliver fuel into the combustion chamber of an engine. In the first stage, fuel is atomized and mixed with air, creating a fine mist for efficient combustion. The second stage further refines this mixture or injects additional fuel to optimize performance under varying engine loads and speeds. This design enhances fuel efficiency and reduces emissions by ensuring a more complete and controlled combustion process.