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: Troubleshooting

Basic Troubleshooting Basic Troubleshooting Guide Customer Problem Analysis Sheet Basic Inspection Procedure Measuring Condition of Electronic Parts' Resistance The measured resistance at high temperature after vehicle running may be high or low...

Hyundai Sonata LF 2014-2019 Service Manual: TPMS Receiver Repair procedures

Replacement 1. Disconnect the negative (-) battery cable. 2. Remove the glove box. (Refer to Body - "Crash Pad") 3. Remove faulty part and fit bracket assembly to new part. 4. Secure new part to vehicle and fit connector. 5. Re-connect battery and turn Ignition on...