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

Positive Crankcase Ventilation (PCV) Valve Repair procedures

Removal 1. Disconnect the PCV hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger moves...

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: ESP Control Unit Repair procedures

Removal 1. Turn the ignition switch OFF. 2. Pull up the lock of the HECU connector , then disconnect the connector. 3. Disconnect the brake tubes from the HECU by unlocking the nuts counterclockwise with a spanner. Tightening torque : ABS : 13...

Hyundai Sonata LF 2014-2019 Service Manual: Electric WGT Control Actuator Description and Operation

Desrcription The Electric WGT Control Actuator is installed on the turbocharger.It operates the vain in the Waste Gate Turbocharger (WGT) and regulates the compressed air amount by the ECM's PWM signal. This actuator consists of a DC motor which actuates the vane, a 2-step gear which increases torque of the DC motor, a position sensor which detects status of the vane, an electric control unit which drives the DC motor...