Hyundai Sonata: Ignition System / Spark Plug Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Ignition System / Spark Plug Description and Operation

Description

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.

Ignition Coil Repair procedures

Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the engine cover. 3. Disconnect the ignition coil connector (A). 4. Remove the ignition c ...

Spark Plug Specifications

Specification ItemSpecificationTypeSILZKR7E8GGap0.7 ~0.8 mm (0.0275 ~ 0.0314 in.) ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: Manual Heating and Air Conditioning
The heating and cooling system can be controlled manually by pushing buttons other than the AUTO button. In this case, the system works sequentially according to the order of buttons selected. When pressing any button except the AUTO button while using automatic operation, the functions not selec ...

Hyundai Sonata LF 2014-2019 Service Manual: Hood Latch Repair procedures
Replacement 1. Remove the front bumper. (Refer to Front bumper - "Front bumper cover") 2. Remove the head lamps [RH]. (Refer to Body Electrical System - "Head Lamps") 3. Disconnect the connector (A), then remove the wiring mounting clips. 4. Remove the hood latch (A) mounting bolts ...