In terms of spark ignition systems, what does a distributor do?

The role of a distributor in a spark ignition system is primarily to distribute high voltage from the ignition coil to the appropriate spark plugs in the correct firing order. When the ignition coil generates a high-voltage electrical charge, the distributor directs this charge to the individual spark plugs at the precise moment needed for engine combustion. This timing is critical, as it ensures that the air-fuel mixture ignites at the optimal point in the engine cycle, contributing to overall engine performance.

While other functions are important in an ignition system, such as controlling engine timing (which the ignition system does to some extent), the specific task of distributing high voltage makes the distributor a key component in ensuring reliable engine ignition. Its ability to effectively manage the flow of electricity to the spark plugs directly impacts engine operation, allowing for smoother starts and efficient combustion.