Engine Control System/Fuel System
Knock Sensor (KS) Repair Procedures
In this manual: Engine Control System/Fuel System
4steps
~24min
2/5difficulty
Done 0 of 4
Removal
- Turn the ignition switch OFF and disconnect the negative (-) battery cable.
- Remove the intake manifold (refer to "Intake and Exhaust System" in the EM group).
- Disconnect the injector connector (A).
- Remove the mounting bolt (B) and remove the sensor from the cylinder block.

Installation
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- Install in the reverse order of removal. Knock Sensor Mounting Bolt: 18.6 ~ 24 N·m
Test yourself
A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.
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