Question about 1997 Lexus ES 300

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How many EVAP Vapor Pressure Sensor(s) are there on a 1997 Lexus ES300?

I know of one on the driver side wall near the charcoal canister. Is there another one else where on the vehicle?

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2, The purge valve and the vent valve. The one by the canister is the vent valve. The purge valve is close/mounted to the engine. Follow the lines.

Posted on Oct 25, 2014


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Posted on Jan 02, 2017

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SOURCE: 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&

Posted on Jan 07, 2009

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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.

Posted on Mar 16, 2009

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SOURCE: How do I change AC blower motor on 1997 Lexus ES300?


Posted on Aug 11, 2009

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SOURCE: OBD code P0746. Where is the Pressure Control

P0746 Pressure Control Solenoid Performance or Stuck Off
A transmission solenoid is an electro-hydraulic valve that controls fluid flow into and throughout an automatic transmission. Solenoids can be normally open or normally closed. They operate via a voltage or current supplied via the transmission computer or controller. Transmission solenoids are usually installed in a Transmission Valve body, Transmission Control Unit, Transmission Control Module or inside the Transmission and it helps regulate the pressure from the trans fluid pump.

P0446 Evaporative Emmission Control System Vent Control Circuit Malfunction

What does that mean?
Evap vent valve has only one purpose. It closes in order to seal the vent so the EVAP system can pressurize and ensure there are no leaks. Evap vent valve is usually supplied Batt. voltage with key on. The ECM's driver controls the ground, and when grounded, activates the valve (closing it). If the ECM detects a short to ground, and open,or a short to battery voltage on the control circuit, P0446 will set. Code also may refer to ECM detecting that EVAP system is unable to achieve or maintain vacuum during test.

There will be no obvious symptoms to driver, other than MIL illumination.

A code P0446 could mean one or more of the following has happened:
* Faulty vent valve
* Open, short or excessive resistance on Vent valve control circuit
* Blockage of vent valve
* Bad PCM

Possible Solutions
With a P0446 OBD-II trouble code, here are some things to try:
* Replace Vent valve
* Repair open, short, or resistance problem in control circuit
* Repair open, or short, or resistance problem in power circuit
* Replace PCM

Hope this help (remember rated this post).

Posted on May 12, 2010

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SOURCE: check engine light came on - 1997 Lexus ES300 w

my 1997 lexus es 300 engine light and trac light on.

Posted on May 29, 2010

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