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On my 1994 lexus es 300 I changed the speed sensor and shaft on the trans box.is there another am no seeing that would prevent the speed odometer no to read.

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  • Cars & Trucks Master
  • 603 Answers

I believe there are two sensors on this trans. You may need to change the other sensor. Ask your auto parts supplier. Good Luck Friend.

Posted on Nov 08, 2014

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Posted on Jan 02, 2017

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j_del
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SOURCE: 2002 es 300 lexus

There is one before each catalytic converter (usually up right near the exhaust manifolds), and one after each cat (or if you have a Y-pipe exhaust that brings the two sides together to one pipe and one converter, then there's one after that single converter). Why do you want to change them? Have you gotten failure codes or are you having poor gas mileage? Or have they just been in there a long time? They're usually good for about 60k miles, although of course they can fail early. Usually the symptoms are poor fuel economy, running rich (seen by black smoke out the tailpipes and some rough idling, as well as blackened spark plugs), or fault codes dealing with system-lean or system-rich descriptions. Those symptoms are indicative of bad primary O2 sensors (the ones closest to the engine). If your secondary sensor(s) are failing (the post-cat sensor or sensors) you'll trip a check-engine light warning you of poor catalytic converter efficiency.

Posted on Sep 28, 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

bunnydawg
  • 5158 Answers

SOURCE: How many O2 sensors on a 1997 Lexus ES 300?

according to the manual i have... it has three.... one in the exhaust manifold.... and two in the exhaust pipe..... slightly vauge on the exact location of the last two sensors... but looks like it is after the catylitic converter.

Posted on Apr 15, 2009

centralvalle
  • 386 Answers

SOURCE: e300 1994 codes read p0720 and p0500 one is speed

try changing the drive shaft speed sensor, sounds like you have a malfunctioning drive shaft speed sensor, change sensor and reset codes and test... e 300 had this problem in 94 and 95 even when they were close to new with very low miles... please rate my help , thanks

Posted on Aug 05, 2009

  • 1 Answer

SOURCE: water pump

where is water pump located on 1994 camary engine

Posted on Feb 15, 2010

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My 1994 Lexus ES 300 I changed out my speed sensor and shaft on the trans box and the speed odometer still does not read. is ther another speed sensor some where else .


Your actual speedometer may be bad. You can get a replacement at the salvage yard to find out without spending money for a new one.

Nov 08, 2014 | 1994 Lexus Es 300

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Where is the ecm located on1994 lexus es 300


ECM is located behind the glove box. I hope this helps

Aug 23, 2012 | 1994 Lexus Es 300

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E300 1994 codes read p0720 and p0500 one is speed sensor and the other is tran speed sensor, we are having prob with tran shifting and various speeds and rpm jumping up then shifting.


try changing the drive shaft speed sensor, sounds like you have a malfunctioning drive shaft speed sensor, change sensor and reset codes and test... e 300 had this problem in 94 and 95 even when they were close to new with very low miles... please rate my help , thanks

Aug 05, 2009 | 1994 Lexus Es 300

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Asked a local independent Toyota/Lexus repair shop.

He suggested checking battery cables at both ends to assure tight fit.

Positive cable was ever so slightly loose.

Tightened all cables. Will see if that solves problem.

May 07, 2009 | 1994 Lexus Es 300

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