Hyundai Sonata LF: Ignition System / Spark Plug Specifications

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...

Spark Plug Repair procedures

Inspection [On vehicle inspection] 1. Accelerate the engine to about 3,000 rpm 3 times or more. 2. Remove the spark plug. 3. Check the spark plug visually...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: BLUE LINK Unit Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the main crash pad assembly. (Refer to Body - "Main Crash Pad Assembly") 3. Remove the knee airbag (KAB) module. (Refer to Restraint - "Knee Airbag (KAB) Module") 4. Remove the driver's side shower duct...

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation

Description EPS (Electric power steering) system uses an electric motor to assist the steering force and it is an engine operation independent steering system. EPS control module controls the motor operation according to information received from the each sensor and CAN (Controller Area Network), resulting in a more precise and timely control of steering assist than conventional engine-driven hydraulic systems...