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Knock sensor 2001 Lexus ES 300 - Cars & Trucks

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Here is a video showing the replacement of your knock sensor. it is located under the intake manifold. http://www.youtube.com/watch?v=bDSmfxb1o1E

Posted on Nov 04, 2012

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Posted on Jan 02, 2017

SOURCE: knock sensor

knock sensors are underneath the lower intake. replace the knock sensor harness as well

Posted on Oct 16, 2008

  • 36 Answers

SOURCE: 92 lexus es300 knock sensor

Need to remove the upper and lower air intake manifold.  There are two knock sensors for the front and rear pistons banks.  If you plan to do this yourself it is about 1 to 2 hours.  While you are at it, there is a short coolant bypass hose sitting in the same spot, replace it.  Another problem with the knock sensor is the wire harness used to connect the two knock sensors into one connection sometimes wears out and contacts the metal on the engine causing false signals to the ECM, so replace this cable also.
Just did this last summer on my 99 ES300.  Pretty easy.
DIYr

Posted on Mar 16, 2009

mecanica03
  • 881 Answers

SOURCE: Lexus es 300

3 sensors

Posted on Apr 15, 2009

mcdevito75
  • 1970 Answers

SOURCE: i have a 2001 es 300 lexus and the radio wont work...

mcdevito75 here, I believe it"s under the hood a s you look on the engine the fuse box will be on the right side by the inner fender., Best Bet Check with any local auto parts store for it"s location.

Posted on Jul 08, 2010

awcforever
  • 359 Answers

SOURCE: I removed the intake manifold,

Thats crazy, they should be underneath the manifold plain as day. I know this isn't the solution you were looking for, but that is exactly where they are located???

Posted on Mar 07, 2011

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Need to remove the upper and lower air intake manifold.  There are two knock sensors for the front and rear pistons banks.  If you plan to do this yourself it is about 1 to 2 hours.  While you are at it, there is a short coolant bypass hose sitting in the same spot, replace it.  Another problem with the knock sensor is the wire harness used to connect the two knock sensors into one connection sometimes wears out and contacts the metal on the engine causing false signals to the ECM, so replace this cable also.
Just did this last summer on my 99 ES300.  Pretty easy.
DIYr

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1 Answer

Knock sensor


knock sensors are underneath the lower intake. replace the knock sensor harness as well

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