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 |
|
| 1. |
Installation is reverse of removal.
|
Knock Sensor (KS) Schematic Diagrams
Circuit Diagram
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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: Using the Tire Mobility Kit
CAUTION
Detach the speed restriction label (1) from the sealant bottle (2), and place
it in a highly visible place inside the vehicle such as on the steering wheel to
remind the driver not to drive too fast.
1. Shake the sealant bottle (2).
2. Connect the filling hose (3) to the sealant bot ...
Hyundai Elantra AD (2016-2020) Service Manual: Fuel Line Repair procedures
Removal
1.
Turn the ignition switch OFF, and then remove battery (-) cable.
2.
Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
3.
Disconnect the fuel feed quick-connector (A).
4.
Disconnect the vapor hose (A) wh ...
