Hyundai Elantra: Engine Control System / Knock Sensor (KS) Repair procedures

Removal
1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the knock sensor connector (A).

3.
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold")
4.
Remove the installation bolt (A), and then remove the sensor from the cylinder block.

Installation
   
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
1.
Installation is reverse of removal.

Knock sensor installation bolt :
18.6 ~ 23.5 N.m (1.9 ~ 2.4 kgf.m, 13.7 ~ 17.4 lb-ft)

Knock Sensor (KS) Schematic Diagrams
Circuit Diagram ...

Heated Oxygen Sensor (HO2S) Description and Operation
Description Heated Oxygen Sensor (HO2S) consists of zirconium and alumina and is installed both upstream and downstream of the Catalytic Converter. It varies in accordance with the air/fuel rat ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Floor Mat Anchor(s)
ALWAYS use the Floor Mat Anchors to attach the front floor mats to the vehicle. The anchors on the front floor carpet keep the floor mats from sliding forward. WARNING The following must be observed when installing ANY floor mat to the vehicle. Ensure to remove a protective film attached o ...

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 ...

© 2018-2024 www.helantraad.com