Hyundai Sonata: Knock Sensor (KS). Repair procedures - Engine Control System - Engine Control/Fuel System - Hyundai Sonata YF 2011-2018 Service ManualHyundai 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 УIntake And Exhaust SystemФ 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

Х
Install the component with the specified torques.
Х
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:

    Input Speed Sensor. Description and Operation
    Description - Integrated one unit for input & output speed sensor - Differential current type (low: 7mA, high: 14mA) - Failsafe: 4th gear hold (D), 2nd ~ 4th manual shift (S) ...

    High Mounted stop lamp. Repair procedures
    Removal 1. Disconnect the negative(-) battery terminal. 2. Remove the rear seat. (Refer to the BD group - "Rear seat") ...

    Rail Pressure Sensor (RPS). Repair procedures
    Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the RPS at idle and various engine speed. ...