Hyundai Sonata LF: Engine Control System / Knock Sensor (KS) Repair procedures
| 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. 
|
| • |
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)
|
|
Description
Heated Oxygen Sensor (HO2S) consists of zirconium and alumina
and is installed both upstream and downstream of the Manifold Catalytic
Converter...
Other information:
Description
RCV (Recirculation Valve) Control Solenoid Valve is installed
on the cooling pan motor top and operates the RCV actuator which
controls the by-pass passage of the turbo-charger compressor.
When the throttle valve is closed during engine running
[Tip-out], crash noise of the impeller will occur because of rapid
increasing of the boost pressure...
C..
Heated Oxygen Sensor (HO2S) Description and Operation