Question about 1998 Lexus ES 300

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Has anyone ever replaced knock sensors on 98 lexus es300

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Yes, I have they are located between the 2 banks of the motor. you need to remove the upper intake manifold to get to them. not hard to do. Also its a good idea to replace the mini harness with them.

Posted on Aug 26, 2009

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Can you show me the picture of a knock sensor for harrier 1mz engine en how I can repair it


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2000 Lexus Es300 Knock Sensor - Location & Repair ...

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Jun 25, 2012 - Uploaded by RashaadRahh
2000 Lexus Es300 Knock Sensor Replacement - Location & Repair. ... Check engine light comes on and you ...

Jan 07, 2016 | Cars & Trucks

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How do I fix code 13 engine speed sensor Above 1000 rpm


Clearing the codes is simple that is done by removing the fuse of the EFI from junction box 2 for 10 seconds. Make sure to remove the jumper wire and switch the key off before clearing the codes.

Here are some common Lexus vehicles 1990-1995 codes:

Code 12 and Code 13 Rpm signal circuit fault
Code 14 Igniter signal circuit fault
Code 16 ECT control signal fault
Code 21 and Code 28 Main oxygen sensor fault (for ES300; SC300 & GS300 models)
Code 22 Coolant temperature circuit fault
Code 24 Intake temperature sensor circuit fault
Code 25 and Code 26 Air fuel ratio fault (for ES300 & SC300 models)
Code 27 Sub-oxygen sensor circuit fault (for ES300 CA & GS300 models)
Code 31 Low airflow meter voltage (for ES300 and GS300 models)
Code 32 High airflow meter voltage (for ES300 model)
Code 35 Barometric pressure sensor circuit fault (for GS300 & SC300 models)
Code 41 and Code 47 Throttle position sensor circuit fault
Code 42 Vehicle speed sensor circuit fault
Code 43 Starter signal
Code 51 Switch condition signal fault (for ES300; GS300 & SC300 models)
Code 52 Code 52 and Code 55 Knock sensor circuit fault
Code 71 EGR system circuit fault (for ES300; GS300 & SC300 models)
Code 78 Fuel pump control circuit fault (for GS300 & SC300 models)

Nov 18, 2014 | 1990 Lexus LS 400

1 Answer

Would the knock sensor on a 99 Lexus 300 cause the transmission to not shift out properly?


Yes. Thanks to Dennis Weid, Robert Garcia, Colin Strickland, and "gingo12670" on this website, that is what I found to be the problem causing my 2000 ES300 to not shift more than once into overdrive without shutting my car off. Apparently if your knock-sensor(s) is bad it will send a signal (or lack of an expected signal) that will cause one of the "brains" to not allow a shift into overdrive since that would only aggravate a knock situation. The sensors are not an easy fix as the intake manifold must be removed. It cost me $750, but I am happy as a clam since the solution has eluded me for too long. My Lexus has over 200K miles but after flushing my transmission to no avail, but just now replacing both knock sensors, it now feels once again like a new car.

Jul 21, 2014 | 1999 Lexus RX 300

1 Answer

Where is the knock sensor located in 1999 lexus es300


the knock sensors are located underneith the intake manifold on either side of the engine block. you have 2 of them

Aug 31, 2012 | 1999 Lexus ES 300

1 Answer

How to replace knock sensor on 1994 Lexus ES300


Hi,

This is a big job, you will need to remove the intake manifold and various other intake components to get to the knock sensor, which is sitting in the V gulley of the engine.

But basically you need to remove all inlet tract components, and the top cooling system components, then remove inlet manifold and there you will see the knock sensor.

Good Luck

Thanks

Jason

Aug 18, 2010 | Lexus ES 300 Cars & Trucks

1 Answer

LEXUS es300 oil light stays on oil level full


Check oil level sensor, replace if necessary. also, does your engine knock or make a tapping sound?

Mar 28, 2010 | 1994 Lexus Es 300

2 Answers

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

Mar 01, 2009 | 1999 Lexus ES 300

3 Answers

Where is the Knock Sensor located on a 1994 Lexus ES300


  1. located on top of engine below intake manifoldgraphic.aspx?mod=reptiff&module_id=1&session_id=%7ba7aa889f-b7e3-42e1-9ece-3476a2533f69%7d&image_guid=95d24086&print_bw=0&

Jan 06, 2009 | 1994 Lexus Es 300

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