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: Side Airbag (SAB) Module Description and Operation

Description The Side Airbags (SAB) are installed inside the front seat and protects the driver and passenger from danger when side crash occurs. The SRSCM determines deployment of side airbag by using Side Impact Sensor (SIS) signal.     Never attempt to measure the circuit resistance of the airbag module (squib) even if you are using the specified tester...

Hyundai Sonata LF 2014-2019 Service Manual: Rear Door Side Weatherstrip Repair procedures

Replacement 1. Loosen the rear door checker (B) mounting bolt. 2. Detach the clips, then remove the rear door side weatherstrip (A). Tightening torque : 16.7 ~ 21.6 N.m (1.7 ~ 2.2 kgf.m, 12.3 ~ 15.9 lb-ft) 3. Install in the reverse order of removal...