Hyundai Elantra: Emission Control System / Evaporative Emission Control System

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 thro ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Front Impact Sensor (FIS) Repair procedures
Removal     • Removal of the airbag must be performed according to the precautions/ procedures described previously. • Before disconnecting the front impact sensor connector, disconnect the front airbag connector(s). • Do not turn the ignition switch ON and ...

Hyundai Elantra AD (2016-2020) Service Manual: Knock Sensor (KS) Description and Operation
Description Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking. When knocking occurs, the vibration from the cylinder block is applied as pressure to the piez ...