Question about Toyota Highlander

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I need help to confirm location of sensor 2 bank 2. CEL detect P0161. There are 4 sensors in which two are above the catalyc converter and two are below the converter. The part department staff says the need to know what cylinder the oxygen sensor is for. My vehicle is 4 cylinder 2002 Toyota Highlander. Just bought this car with 108,000 miles and just got the check engine light on. I failed smog test because of a bad bank 2 sensor 2. Thank you so much

Posted by Anonymous on

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That Toyota has a 2.4 l 2az-fe 14of 155 hp and ran from 2001-2007 after which a v6 engine was installed
the sensor is the one before the cat converter as it is a heated oxygen sensor (KO2S) and reports on the gas composition to the ECM for air/fuel ratio adjustments
the oxygen sensor (O2) is after the cat converter and reports on the cat operation
have the cat converter checked at an accredited muffler shop

Posted on Jun 21, 2017

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Posted on Jan 02, 2017

  • 625 Answers

SOURCE: Check engine light.

ok the bank 1 is where the cilinder one is get a firing order and see where is the number one cylinder that's the bank one
then follow the exaust and replace the sensor after the catalitic
or converter

Posted on May 29, 2008

txkjun
  • 409 Answers

SOURCE: Failed Smog Test - 4 codes for 2001 Isuzu Rodeo

Tune it up and replace the 02 sensor that keeps setting the codes bank 2 sensor 1. Have your oil and filter changed right before you go for a retest to. That will clear up 3 codes P0300, 0155 and 0154. You might have to replace the fuel sending unit to get rid of P0463 but if the gauge works OK I'd leave it alone.

Posted on Jan 12, 2009

  • 11 Answers

SOURCE: isuzu hombre check engine light

after you did that did you hook it to a car computer to reset the lite? most need this and you can go to a auto zone and rent the computer for free just a deposit and then you get that back. the computer will do it almost for you.

Posted on Feb 16, 2009

ghassun
  • 499 Answers

SOURCE: check engine light is on...bank 1 sensor1 oxygen sensor

if u have one oxygen sensor then u need to take a deep look at the bottom of ur car it will be somewhere at the Exhaust pipe if u have a catalytic converter then u will have two oxygen sensors one before the catalytic converter & the other will be after the catalytic converter. Note: the catalytic converter is located at after a little bit of beginning in Exhaust pipe.

Posted on Jun 06, 2009

  • 202 Answers

SOURCE: 2002 Toyota Highlander BANK 1 SENSOR 2 LOCATION

look for catalic converter near exhaust manifold ,,,, sensor one is before cat 2 is after it ... like a spark plug with wires

Posted on Feb 13, 2012

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2001 Passat 1.8 Turbo engine sputtering and hesitating


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For my o2 sensors the codes r bank 1 sensor1 bank 2 sensor 2 bank 2 sensor 1 bank 1 sensor sensor 2


Hi there:
Oxygen sensors are always numbered like this:
- Bank 1 sensor 1 or Bank 1 sensor 2
- Bank 2 sensor 1 or Bank 2 sensor 2



Keep in mind that Bank 1 is always the side of the engine where cylinder number 1 is located and, of course, Bank 2 is the opposite side.

On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

Sensor 1 is always the upstream sensor (The one located BEFORE the catalytic converter) and Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.


Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

Jun 21, 2012 | Cars & Trucks

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Bank 1 sensor 2 location on a 1996 chevy suburban


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Fig. Fig. 3: Oxygen sensor-4.3L engines


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Fig. Fig. 4: Oxygen sensor-5.0L and 5.7L engines





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Fig. Fig. 5: Oxygen sensor-7.4L engines




Oxygen sensors are always numbered like this:
Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2

Some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2

Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

Sensor 1 is always the upstream sensor (the one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.

Hope helps (remember to rate this).



Dec 12, 2010 | Chevrolet Suburban Cars & Trucks

2 Answers

I need to know which is the bank 1 02 sensor


Oxygen sensors are always numbered like this:
Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2

Some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2

Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

Sensor 1 is always the upstream sensor (The one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.

Hope helps (remember to rate this).

Oct 20, 2010 | Ford Explorer Cars & Trucks

2 Answers

Need to know were the bank one , sencer one is on my buick century 2000 v6


Oxygen sensors are always numbered like this:
Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2

Some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2

Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

Sensor 1 is always the upstream sensor (The one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.

Hope helps (remember to rate this).

Oct 07, 2010 | 2000 Buick Century

1 Answer

Where is the rear "b2 s2" oxygen sensor located in a Jaguar 2003 xtype 2.5liter car? There are 4 oxygen sensors -- one in the front catalytic converter and one next to it by or in the exhaust manifold and...


Oxygen sensors are always numbered like this:
Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2

Some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2

Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

Sensor 1 is always the upstream sensor (The one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.

Hope helps (remember to rate this).

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2 Answers

Senor oxgen 2nd bank downstream Where are they located


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Not passing smog check


bank 1 is pass/side exhaustpipe/converter bank 2 is on the driverside,this car has two converters, so you have 4 oxygen sensors, one before and one after the converter on each side, so bank 1 sensor1 is pass/side before the converter, bank 1 sensor 2 is pass/side after the converter, then bank 2 sensor1 is driverside before the converter, before means starting at motor, then bank 2 sensor 2 is driverside after the converter, heres a diagram to help, i hope this is helpful.a9203dd.jpg33c9cf6.jpg

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3 Answers

Where is the bank 2 sensor 1 located.


Oxygen sensors are always numbered like this:

Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2

some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2

Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.

Sensor 1 is always the upstream sensor (The one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.

Most GM engines have #1 cylinder located on the left bank, (or Driver's Side) of the engine,

So, the answer to your question would be that you are looking for the sensor located before the catalytic converter on the right (or Passenger Side) of the truck.

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