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: ETC (Electronic Throttle Control) System Description and operation
Description The Electronic Throttle Control (ETC) System consists of a throttle body with an integrated control motor and throttle position sensor (TPS). Instead of the traditional throttle cable, an Accelerator Position Sensor (APS) is used to receive driver input. The ECM ...

Hyundai Kona (OS) 2018-2026 Owners Manual: Maintenance Under Severe Usage and Low Mileage Conditions (Gasoline Engine, except Europe)
The following items must be serviced more frequently on cars mainly used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals. R : Replace I : Inspect and if necessary, adjust, correct, clean or replace Severe driving conditions A : Repeatedly drivi ...