Hyundai Sonata: Knock Sensor (KS). Repair procedures - Engine Control System - Engine Control/Fuel SystemHyundai Sonata: Knock Sensor (KS). Repair procedures

Removal

1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Remove the intake manifold (Refer to “Intake And Exhaust System” in EM group).
3.
Disconnect the injector connector (A).
4.
Remove the installation bolt (B), 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. If the component has been dropped, inspect before installing.
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)


    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 Manifold Catalytic Converter. The sensor output voltage varies ...

    See also:

    Engine Coolant Temperature Sensor (ECTS). Specifications
    Specification Temperature Resistance (kΩ) °C °F -40 -40 48.14 -20 -4 ...

    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 t ...

    Front Wheel Speed Sensor. Repair procedures
    Removal 1. Remove the front wheel and tire. Tightening torque: 88.3 ~ 107.9 N.m (9.0 ~ 11.0 kgf.m, 65.1 ~ 79.6 lb-ft) ...