How to Replace the Knock Sensor

Just finished replacing my knock sensor due to a

APDTY 028252 Knock Sensor With New Wiring Harness Pigtail Connector Fits Select Nissan or Infiniti models listed in the compatibility chart (Replaces 24079-31U01, 22060-30P00)

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  • Now it's time to replace the knock sensors. Working at the knock sensors, remove the E12 knock sensor fastener (remember to throw the fasteners away and do not reuse them.. (green arrow) Then remove the knock sensor from your engine. Be sure the mounting surface is clean, then install new knock sensors finger tight. Then torque the knock sensor fasteners. 7 Nm (63 in-lb) once torqued, rotate fastener another 90° Reassemble engine and check DME for fault codes.

    Disconnect the lines that run to the intake plenum, and unplug your VQ Throttle Position Sensor. You do not need to remove your throttle body for our How To Replace Your Knock Sensor Guide.

  • Now it's time to replace the knock sensors. Working at the knock sensors, remove the E12 knock sensor fastener (remember to throw the fasteners away and do not reuse them.. (green arrow) Then remove the knock sensor from your engine. Be sure the mounting surface is clean, then install new knock sensors finger tight. Then torque the knock sensor fasteners. 7 Nm (63 in-lb) once torqued, rotate fastener another 90° Reassemble engine and check DME for fault codes.

    Now it's time to replace the knock sensors. Working at the knock sensors, remove the E12 knock sensor fastener (remember to throw the fasteners away and do not reuse them.. (green arrow) Then remove the knock sensor from your engine. Be sure the mounting surface is clean, then install new knock sensors finger tight. Then torque the knock sensor fasteners. 7 Nm (63 in-lb) once torqued, rotate fastener another 90° Reassemble engine and check DME for fault codes.

    01-11-2009, 07:21 PM   #1
    Kahdmus
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    Knock Sensor (#2) how difficult to replace?

    Think I may need to replace the knock sensor, although I may have misread the code.

    My check engine light came on yesterday. I used the flashing CEL method to get the code of 1132, which I googled to be knock sensor #2 (although car feels like its running great!)

    How difficult is this to replace? I think its in Adrians book but have yet to verify.
     

  • Knock Sensor | Replacement Knock Sensors

    Some quick notes and pictures on how to replace the knock sensor on a 1995 Subaru Legacy Outback (2.2 liter EJ22 engine).
    Click images to enlarge.

Replacing knock sensor - instructions please

Some quick notes and pictures on how to replace the knock sensor on a 1995 Subaru Legacy Outback (2.2 liter EJ22 engine).
Click images to enlarge.