Spark Plug (Noun)
Meaning
Electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark.
Classification
Nouns denoting man-made objects.
Examples
- The mechanic removed the old spark plug from the engine block and replaced it with a new one to improve performance.
- Spark plug wires are a critical component in the ignition system, as they carry the electrical current from the ignition coil to the spark plugs.
- If a spark plug becomes worn out or fouled, it can cause misfires, reduced power, and decreased fuel efficiency in an engine.
- When replacing spark plugs, it is essential to ensure that the gap is set correctly to avoid damage to the engine or reduced performance.
- In most vehicles, the spark plugs are located on the side of the engine or near the valve cover and are held in place by a spark plug boot.