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: Steering Column and Shaft Repair procedures

Removal [For C-MDPS Type]     Must be backup the ECU data before exchanging the ECU. The backup data is stored by the VIN number. Before exchanging the MDPS motor, must be confirm the last two digit of the constant value in motor barcord...

Hyundai Sonata LF 2014-2019 Service Manual: Water Temperature Control Assembly Repair procedures

Removal and Installation 1. Loosen the drain plug, and drain the engine coolant. Remove the radiator cap to drain with speed. 2. Disconnect the battery negative terminal. 3. Remove the air cleaner assembly. (Refer to Intake and exhaust system - "Air Cleaner") 4...