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: Parking Brake
Always set the parking brake before leaving the vehicle. To apply the parking brake: Firmly depress the brake pedal. Pull up the parking brake lever as far as possible. WARNING To reduce the risk of SERIOUS INJURY or DEATH, do not operate the parking brake while the vehicle is moving excep ...

Hyundai Elantra AD (2016-2020) Service Manual: Canister Close Valve (CCV) Specifications
Specification ItemSpecificationCoil Resistance (?)19.5 ~ 22.5 [20°C(68°F)] ...