Hyundai Sonata: Ignition System / Ignition Coil Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Engine Electrical System / Ignition System / Ignition Coil Repair procedures

Removal

1.	Turn ignition switch OFF and disconnect the negative (-) battery cable.

2.	Remove the engine cover.

3.	Disconnect the ignition coil connector (A).

Remove the ignition coil (A).

•	When removing the ignition coil connector, pull the lock pin (A) and push the clip (B).

Installation

Install in the reverse order of removal.

Ignition coil installation bolts:

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 Ib-ft)

Inspection

Measure the primary coil resistance between terminals 1 and 2.

Standard value: 0.56? ± 10%

Ignition Coil Schematic Diagrams

Circuit Diagram ...

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 there ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting SymptomSuspect areaRemedyEngine misfire with abnormal internal lower engine noises.Loose or improperly installed engine flywheel.Repair or replace the flywheel as required.Worn piston rings.(Oil consumption may or may not cause the engine to misfire.)Inspect the cylinder for a l ...

Hyundai Sonata LF 2014-2019 Service Manual: Specifications
Specifications ItemSpecificationMaster cylinderTypeSingleI.D. mm(in)NON EPB ?22.22mmEPB?23.81mmPiston stroke mm(in)45±1mm(1.77±0.039in)Fluid level sensorProvidedBrake booster?Type11" SingleBoosting ratio9:01Front disc brakeTypeVentilated discDisc O.DGAMMA1.6 T-GDI305mm (12.0078 in)THETA2 ...