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: Input shaft speed sensor 2 Repair procedures

Removal 1. Remove the air cleaner assembly and air duct. (Refer to Engine Mechnical System - "Air cleaner") 2. Remove the battery and tray. (Refer to Engine Electrical System - "Battery") 3. Remove the clutch actuator. (Refer to Dual Clutch Control System - "Clutch Actuator") 4...

Hyundai Sonata LF 2014-2019 Service Manual: Relay Box (Engine Compartment) Repair procedures

Inspection 1. Disconnect the negative (-) battery terminal. 2. Pull out the relay from the engine compartment relay block. Power Relay (Type A) Check for continuity between the terminals. 1) Start relay 2) Deicer relay 3) Head lamp (high) relay 4) Blower relay 5) Power outlet relay 6) E-CVVT relay 1...