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: Fuel Pressure Sensor (FPS) Repair procedures

Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Check the output voltage of fuel pressure sensor (FPS). Specification : Refer to “Specification” Removal 1. Turn the ignition seitch OFF and disconnect the battery negative (-) cable...

Hyundai Sonata LF 2014-2019 Service Manual: Timing Chain Repair procedures

Removal 1. Turn the crankshaft pulley clockwise, and align its groove with the timing mark of the timing chain cover. 2. Remove the timing chain cover. (Refer to Timing System - "Timing Chain Cover") 3. Align the timing marks of the CVVT sprockets with the upper surface of the cylinder head to make No...