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:

Ford Fusion 2013–2020 Owners Manual: Automatic Climate Control - Vehicles With: Sony Audio System/Touchscreen Display
Note: Depending on your vehicle option package, the controls may look different from what you see here. Note: You can switch temperature units between Fahrenheit and Celsius. Setting the Blower Motor Speed Press and release + or - to adjust the volume of air circulated in the vehicle. Settin ...

Hyundai Kona (OS) 2018-2021 Owners Manual: If the engine will not start
If the engine doesn't turn over or turns over slowly Be sure the shift lever is in N (Neutral) or P (Park) if it is dual clutch transmission vehicle. The engine starts only when the shift lever is in N (Neutral) or P (Park). Check the battery connections to be sure they are clean and tight. ...