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.
Install in the reverse order 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 in ...

    See also:

    Rear Lower Arm Repair procedures
    Removal 1. Raise the vehicle, and make sure it is securely supported. 2. Remove the wheel cap (A).     Be careful not to damage to the wheel cap (A) when removing the it. ...

    How vehicle audio works
    AM and FM radio signals are broadcast from transmitter towers located around your city. They are intercepted by the radio antenna on your vehicle. This signal is then received by the radio and s ...

    Windshield defrosting and defogging
    WARNING - Windshield heating Do not use the or position during cooling operation in extremely humid weather. The difference between the temperature of the outside air and that of the windshiel ...