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:

    General Information
    General 1. Basically, all measurements in this manual are taken with a tracking gauge. 2. When a measuring tape is used, check to be sure ...

    Troubleshooting
    Troubleshooting Problem Symptoms Table Use the table below to help you find the cause of the problem. The numbers indicate the priority of the like cause of the problem. Check each ...

    Repair procedures
    Inspection 1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. 2. Reconnect the PCV valve to the vapor hose. ...