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:

    Components and Components Location
    Components Location 1. Input speed sensor 2. Output speed sensor 3. Solenoid valve connector 4. Oil temperature sensor 5. Valve body assembly 6. Solenoid va ...

    Warning And Caution Labels
    General Information 1. Radiator cap caution2. Fan caution3. Battery caution Attention SRS VehicleThis car is equipped with a supplemental restraint system. To provide continedreliablity, ...

    Components and Components Location
    Component Location 1. Instrument cluster assembly 2. Seat belt switch 3. Vehicle speed sensor 4. Engine coolant temperature sender 5. Oil pressure switch 6. Brake fl ...