Hyundai i20 Quiz
Engine Electrical System

Spark Plug Description and Operation

In this manual: Engine Electrical System
General Information — 17Engine Mechanical System — 79Engine Electrical System — 50Emission Control System — 22Engine/Fuel Control System — 107Clutch System — 27MANUAL TRANSMISSION SYSTEM — 21Drive Shaft and Axle — 18Suspension System — 29Steering System — 21Restraint — 41Braking System — 53Body Work (Interior and Exterior) — 190Body Electrical System — 181Heating, Ventilation and Air Conditioning — 58
~1min read

Description

The spark plug is a device designed to deliver electrical current from the ignition system to the combustion chamber of a spark-ignition engine, to ignite the compressed air-fuel mixture with an electric spark while maintaining combustion pressure in the engine. The spark plug has a threaded, electrically insulated metal shell and a center electrode insulated by a porcelain insulator.

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A quick Hyundai i20 quiz: every answer comes with an explanation and a link to the manual page.