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: RCV Control Solenoid Valve Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the RCV connector. 3. Measure resistance between the RCV terminals 1 and 2. 4. Check that the resistance is within the specification. Specification: Refer to "Specification" Removal 1...

Hyundai Sonata LF 2014-2019 Service Manual: Lane Departure Warning System (LDWS) Unit Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the LDWS unit cover (A). 3. Disconnect the LDWS unit connector (A). 4. Remove the LDWS unit after disengaging the mounting bracket (A). Installation 1. Align LDWS unit with windshield bracket using forward edge point (A)...