Engine Control System/Fuel System

Knock Sensor (KS) Repair Procedures

4steps
~24min
2/5difficulty
0102030405023.517N·mlb·ft
Tightening torque found on this page
Done 0 of 4

Removal

  1. Turn the ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the intake manifold (refer to "Intake and Exhaust System" in the EM group).
  3. Disconnect the injector connector (A).
  4. Remove the mounting bolt (B) and remove the sensor from the cylinder block.

Installation

  • Install the component with the specified torque.
  • Note that internal damage may occur if the component is dropped. If the component has been dropped, inspect it before installation.
  1. 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.