Hyundai Sonata LF: Engine Control / Fuel System

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System

Exhaust Emission Control System

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

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Hyundai Sonata LF 2014-2019 Service Manual: Advanced Smart Cruise Control (ASCC) Unit-Radar Repair procedures


Removal 1. Remove the bumper. (Refer to Body - "Front Bumper") 2. Disconnect the smart cruise control unit connector. 3. Remove the smart cruise control unit assembly (A) from vehicle after loosening mounting bolts. Installation 1...

Hyundai Sonata LF 2014-2019 Service Manual: Photo Sensor Repair procedures


Inspection 1. Turn the ignition switch ON. 2. Connect the GDS. 3. Emit intensive light toward the photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light...

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