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) 2018-2020 Service Manual: Rear Disc Brake Components and components location
Components 1. Brake pad 2. Guide rod pin 3. Guide rod pin boot 4. Caliper carrier 5. Pad retainer 6. Brake pad 7. Pad return spring ...

Hyundai Kona (OS) 2018-2020 Service Manual: Repair procedures
Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Turn the steering wheel so that the front wheels can face straight ahead. 3. Remove the drive airbag module. ...