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: Components and Components Location

Components (1) 1. Crash pad assembly2. Crash pad side cover [LH]3. Crash pad side cover [RH]4. Crash pad lower panel Components (2) 1. Main crash pad assembly2. Side def nozzle [LH]3. Side def nozzle [RH]4. Side speaker assembly [LH]5. Side speaker assembly [RH]6...

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

Description An ignition coil is an induction coil in an engine's ignition system which transforms the battery's low voltage to the high voltage needed to create an electric spark in the spark plugs to ignite the fuel. Coils have an internal resistor while others rely on a resistor wire or an external resistor to limit the current flowing into the coil from the battery 12 V supply...