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) 2018-2026 Service Manual: Front Wheel Speed Sensor Repair procedures
Removal 1. Turn the ignition switch OFF and then disconnect the negative (-) battery cable. 2. Loosen the wheel nuts slightly. Raise the vehicle, and make sure it is securely supported. 3. Remove t ...

Hyundai Kona (OS) 2018-2026 Owners Manual: Malfunction Indicator Lamp (MIL)
This warning light illuminates: When you set the ignition switch or the Engine Start/Stop button to the ON position. - It illuminates for approximately 3 seconds and then goes off. When there is a malfunction with the emission control system. In this case, we recommend that you have the vehi ...