Question about 1998 Subaru Impreza

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Knock sensor location 2002 Impreza GX

Location of knock sensor on Impreza GX 2002,is it hard to replace?

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Posted on Jan 02, 2017

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SOURCE: 98 subaru impreza knock sensor

at the top of the block under the plenum runners.
please leave feedback
cheers

Posted on Jul 02, 2008

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SOURCE: Knock sensor 1999 Legacy 2.2

As far as there being no knock sensor on a 99 2.2 I beg to differ. I have a 99 legacy and just had a diagnostic done and mine is bad. If there is no knock sensor why would it say it was bad and why does Auto Zone, Advanced Auto and my local Subaru dealer sell them. Mine is located under the throttel body and they are rather hard to get to. No offence to who ever said ther is no knock sensor but maby you should recheck your information becuse I know there is a knock sensor since I just changed mine.

Posted on Jun 30, 2009

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SOURCE: Where is the knock sensor located on a 2.5 Subaru outback 1998?

directly below the throttle body on the drivers side of the engine block. Has a white connector attached to a single black wire lead. I had to remove the black plastic piece that connects to the throttle body and the air filter housing, in order to see/get at it. Easy fix once you find it. Haynes manual shows it in a different location, so don't confuse yourself looking at the diagram.

Posted on Jul 27, 2009

  • 289 Answers

SOURCE: where is the knock sensor located on a 1998

on the top of the engine block under the inlet mannifold

Posted on Apr 17, 2010

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1994 nissan sentra sx 200 knock sensor location


Melvia, Knock sensor located under the intake manifold between cylinder #2-3 I believe, hard to change with out removing intake manifold, but can be done. Check the attached links,instruction and guides, Good luck
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IGNITION KNOCK (DETONATION) SENSOR the knock sensor Is on the back of engine (driver side on LHD vehicles) under the cam position sensor. it is a giant PITA to change. i had to cut a wrench in half (7/8 i think??) and use a pry bar to break loose the sensor..
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Bypass knock sensor on 2002 xterra


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Knock sensors located under the in-take, in-take will have to be remove to replace sensors.

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Need how to and location to replace knock sensor


Im looking for the same part location on a 2002 chevy blazer. It might be under the distributer cap.

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Location of knock senor on 97 maxima se


Your knock sensor is located Under the hood, center, front engine area, below intake manifold, mounted on block.


A defective knock sensor may cause engine detonation or reduced spark advance and fuel economy. When a knock sensor is removed and replaced, the sensor must be tightened to its specified torque. If the knock sensor is installed tighter than it should be, it may become too sensitive and provide an excessively high voltage signal, resulting in more spark ****** than required. When the knock sensor is installed looser than it should be, the knock sensor signal will be lower than normal, resulting in engine detonation.

To replace the knock sensor:
  • Disconnect the knock sensor wiring connector.
  • Then, unscrew the sensor.
  • Remove the knock sensor.
  • Reverse the procedures to install the part.

May 15, 2009 | 1997 Nissan Maxima

1 Answer

Find part location


There are two knock sensors on your vehicle. Both are located under the intake manifold. I would replace both if going to do the work yourself. There is also a wiring harness kit for the sensors you should replace. It is a difficult job.

Apr 11, 2009 | 2002 Chevrolet Tahoe

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