Hyundai Sonata LF: Emission Control System / Exhaust Emission Control System

Fuel Tank Air Filter Repair procedures

Replacement 1. Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2. Lift the vehicle. 3. Remove the rear-left wheel & tire and house cover...

Description and Operation

Description Exhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components...

Other information:

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

Description It's a system that uses illumination sensor to automatically turn ON the tail lamp and head lamp based on the change in surrounding environment's illumination condition. It activates when the vehicle enters/exits tunnel, or when the illumination condition in surrounding environment changes due to rain, snow, or fog...

Hyundai Sonata LF 2014-2019 Service Manual: 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). 4. Remove the ignition coil (A).     • When removing the ignition coil connector, pull the lock pin (A) and push the clip (B)...