Ignition system The ignition system is the system used to start a machine's engine, for example an internal combustion engine. Most ignition systems vary from one type of engine to another, for example jet engine or rocket engine. This short article about technology can be made longer. You can help Wikipedia by adding to it. Retrieved from "https://simple.wikipedia.org/w/index.php?title=Ignition_system&oldid=6278039"