Spark Ignition

The spark plug is responsible for igniting the air-fuel mixture in the engine.

• True

• False

The ECU controls the spark plug directly without any other components.

• True

• False

The HT lead carries low-voltage electricity to the battery.

• True

• False

The ignition coil increases the voltage from the battery to a level suitable for ignition.

• True

• False

Modern vehicles no longer use distributors in most systems.

• True

• False

Spark ignition systems are only used in diesel engines.

• True

• False

A worn spark plug can cause the engine to misfire.

• True

• False

The ignition system operates only when the engine is being started.

• True

• False

Diesel engines use glow plugs instead of spark plugs for ignition.

• True

• False

Ignition timing is crucial for engine performance and efficiency.

• True

• False