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

Crankcase Emission Control System

Schematic Diagrams Schematic Diagram Repair procedures Inspection 1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve...

Description and Operation

Description The Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes through vent hoses or tubes to a canister filled with charcoal...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Fuel Pressure Control Valve Repair procedures

Inspection 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the fuel pressure regulator valve connector. 3. Measure resistance between the fuel pressure regulator valve terminals 1 and 2. 4. Check that the resistance is within the specification...

Hyundai Sonata LF 2014-2019 Service Manual: Ignition Switch Assembly. Repair procedures

Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad") 3. Remove the steering column upper & Lower shroud. 4. Remove the ignition switch (A) and disconnecting the Key Warning / immobilizer connector...