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Code P0136 O2, Sensor bank 1 sensor 2 replacement?

Tiny
MADRID3
  • MEMBER
  • 2001 TOYOTA HIGHLANDER
  • 3.0L
  • V6
  • 4WD
  • AUTOMATIC
  • 230,000 MILES
Hello,

I need to replace o2 bank 1 sensor 2 because the engine code is p0136. I found 3 sensors but I'm not sure which one it is. Is the sensor the one that connects under the driver side seat after catalytic converter or is it located somewhere else? What is the spec for voltage and ohms because one sensor the one under the seat 13.5 when the car is cold and the other sensor in front of the engine which I think its bank 2 sensor 1, I get 1.5 ohms. Do you also know the OEM part number for the o2 sensor? Thank you
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Wednesday, August 2nd, 2023 AT 2:52 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
The P0136 OBD-II Trouble Code in your 2001 Toyota Highlander refers to "O2 Sensor Circuit Malfunction (Bank 1, Sensor 2)".

Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car:

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Thursday, August 3rd, 2023 AT 11:11 AM
Tiny
MADRID3
  • MEMBER
  • 2 POSTS
Thank you. Do you know the OEM part number for it? I found Denso 234-4215 but I am not sure if that is the OEM part number.
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Thursday, August 3rd, 2023 AT 12:10 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Here is the correct sensor:

https://amzn.to/44SsHnR

Let me know how it goes.
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Friday, August 4th, 2023 AT 10:10 AM

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