Hyundai Elantra: Ignition System / Spark Plug Description and Operation

Hyundai Elantra AD (2016-2020) 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). • ...

Spark Plug Specifications

Specification ItemSpecificationTypeELR9IQP9+Gap0.8 ~ 0.9 mm (0.0314 ~ 0.0354 in.) ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Lane Keeping Assist (LKA) System
The Lane Keeping Assist (LKA) system helps detect lane markers on the road with a front view camera at the front windshield, and assists the driver's steering to help keep the vehicle between lanes. When the system detects the vehicle straying from its lane, it alerts the driver with a ...

Hyundai Elantra AD (2016-2020) Owners Manual: Tire Pressure Monitoring System (TPMS)
■ Supervision cluster (1) Low Tire Pressure / TPMS Malfunction Indicator Lamp (2) Low Tire Pressure / Tire Pressure Monitor / TPMS Malfunction Display (shown on the cluster LCD display) ...