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: Description and Operation

Function of Safety Power Window When driver door power window auto-up switch is operated, safety function is activated. 1. Safety function condition When detect the force of 100N (using the 10N/mm spring) during the window rising, window is reversed...

Hyundai Sonata LF 2014-2019 Service Manual: Memory power seat unit Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the driver seat assembly. (Refer to Body - "Front Seat Assembly") 3. Loosening the IMS unit mounting screws. 4. Disconnect the IMS module connectors (B) and then remove the IMS unit (A)...