Hyundai Kona: Ignition System / Spark Plug Description and operation

A spark plug is a device for delivering electric current from an ignition system to the combustion chamber of a spark-ignition engine to ignite the compressed fuel/air mixture therein by means of an electric spark, while containing combustion pressure within the engine. A spark plug has a metal threaded shell, electrically isolated from a central electrode by a porcelain insulator.

Spark Plug Specifications

Specification Item Specification Type SILZKR8E8G Gap 0.7 - 0.8 mm (0.0275 - 0.0314 in.) ...

Spark Plug Repair procedures

Inspection [On vehicle Inspection] 1. Accelerate the engine to about 3,000rpm 3 times or more. 2. Remove the spark plug. ...

Other information:

Hyundai Kona (OS) 2018-2024 Owners Manual: Engine coolant temperature gauge
This gauge indicates the temperature of the engine coolant when the ignition switch is in the ON position. NOTICE If the gauge pointer moves beyond the normal range area toward the “130 or H” position, it indicates overheating that may damage the engine. Do not continue driving with an overhe ...

Hyundai Kona (OS) 2018-2024 Owners Manual: Detecting vehicles
The sensor may be limited when: The radar sensor or camera is blocked with a foreign object or debris The camera lens is contaminated due to tinted, filmed or coated windshield, damaged glass, or stuck of foreign matter (sticker, bug, etc.) on the glass Inclement weather such as heavy rain or ...