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) 2018-2021 Service Manual: Liftgate Weatherstrip Repair procedures
Replacement 1. Remove the liftgate weatherstrip (A).    • Do not apply sealant to the body. ...

Hyundai Kona (OS) 2018-2021 Owners Manual: Engine coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze coolant. The reservoir is filled at the factory. Check the antifreeze protection and coolant concentration level at least once a year, at the beginning of the winter season, and before traveling to a colder climate ...