How Important is a Distributor Cap?
The distributor cap plays a huge role in the ignition system of older vehicles. Its significance lies in the distribution of high-voltage electricity from the ignition coil to the spark plugs in the correct firing order, which is essential for efficient combustion in the engine.
It also provides a secure and insulated housing for the distributor rotor, which spins within the cap, distributing high-voltage electricity to the spark plug wires, while also protecting the internal components from moisture, dust, and other contaminants. However, distributor caps wear out over time, and it can affect ignition performance. It is important to regularly inspect and replace them to maintain optimal performance.
The distributor (often found in older systems) distributes high-voltage electricity from the ignition coil to the spark plugs in the correct firing order.
Spark plugs are responsible for creating the spark that ignites the air-fuel mixture in the combustion chamber.
The ignition coil is responsible for transforming low-voltage electrical power from the battery into the high-voltage power needed to spark the plugs.
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