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:

    Canister Close Valve (CCV). Specifications
    Specification Item Specification Coil Resistance (Ω) 19.9 ~ 22.9 [20°C(68°F) ...

    Changing the engine oil and filter
    Have engine oil and filter changed by an authorized HYUNDAI dealer according to the Maintenance Schedule at the beginning of this section. CALIFORNIA PROPOSITION 65 WARNING Engine oil contains ...

    TPMS (Tire Pressure Monitoring System) malfunction indicator
    The TPMS malfunction indicator will illuminate after it blinks for approximately one minute when there is a problem with the Tire Pressure Monitoring System. If the system is able to correctly d ...