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Location of o2 sensor bank 2 sensor2 on 1996 chevy tahoe

Po161 code

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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dttech
  • 4803 Answers

SOURCE: 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.

Posted on Oct 17, 2009

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  • 41 Answers

SOURCE: have a code po 430 catalyst efficiency below

You def have a catayst problem. Before changing the converter i would recommend changing both up and down stream oxygen sensor on bank 2. If they are old thats what the computer determines if the catalyst is good or not. Most of the time after changing the sensors and resetting the light the problem is solved.

Posted on Aug 26, 2009

  • 447 Answers

SOURCE: where is the bank 1 sensor 2 o2 sensor for a 96

Oxygen sensors are numbered by which bank of cylinders they serve. Bank 1 is the left or drivers side bank of cylinders on the 4.3L which has the odd numbered cylinders 1,3, and 5. Bank 2 is the right or passenger side bank of cylinders numbered 2, 4, and 6. The Bank 1 Sensor 1 would be the sensor for the left hand side of the engine AHEAD of the converter. Bank 1 Sensor 2 is the sensor for the left hand side bank of cylinders BEHIND the converter.

Posted on Jun 02, 2010

roniecon
  • 6826 Answers

SOURCE: were bank 1 sensor 2 located on a 1997 tahoe

bank 1 is the drivers side,and it is the down stream sensor,the one after the cat,converter,If this was helpful,please let us know,thank you.

Posted on Jan 03, 2010

  • 17 Answers

SOURCE: 2002 chevy silverado hd2500 6.0 ecm code po332 low

If all connections are good "dry, tight, no corrosion" then yes. It should be a defective sensor. These sensors are piezo sensors and create a voltage when sensing a knock. A bank refers to a side on a V style engine, 2 refers to the rear sensor on your bank 2. Bank 1 should be the side with cylinder #1 which should be the cylinder closest to you on one of the sides. So your looking for the rear sensor on the opposite side.

Posted on Jun 13, 2010

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1 Answer

Where are theOBD O2 sensor heater code po161 for a 1998 chevy. Silverado v 6


That is P0161 (letter "P" and four numbers)
P0161 Oxygen O2 Sensor Circuit Low ( engine cylinder bank 2 sensor #2)
What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that is applies to OBD-II equipped vehicles. Although generic, the specific repair steps may vary depending on make/model.
It basically means the PCM detected either an excessive current draw, or an open or short in the circuit powering the oxygen sensor's heater circuit. This is in reference to the Heated Oxygen Sensor (2) located rear of catalytic converter (Bank 2).
A code P0161 may mean that one or more of the following has happened:
  • HO2S heater power circuit open
  • HO2S heater ground circuit open
  • HO2S signal tracking (due to oil or moisture in the connector)
  • HO2S is damaged or has failed PCM has failed

Nov 29, 2016 | Cars & Trucks

1 Answer

Po136-o137 says change 02 sensor on bank 1 sensor2 I did but engine light is still on 2004 chevy tahoe


code p 0136 refers to heated oxygen sensor (HO2S) 2 bank 1 ---circuit malfunction===causes ---heating inoperative ---wiring---HO2S--- ECM
also refers to oxygen sensor (O2S0 2 bank 1---circuit malfunction===causes --- wiring---O2S ---ecm
it also refers to heated oxygen sensor (HO2S) 2 bank 1 ---no signal===causes ---wiring --- HO2S---
code p 0137 refers to HO2S 2 bank 1 ---low voltage -===causes --exhaust leak---wiring short to ground ---HO2S--- ECM
it also refers to O2S 2 bank 1---low voltage ===causes exhaust leak---wiring short to ground ---O2S ---ECM
to set you up here-- there are 4 oxygen sensors in the system
2 are heated oxygen sensors (HO2S) on in each exhaust manifold or exhaust pipe before the cat converter and
2 oxygen sensors (O2S) -- one in each exhaust pipe after the cat converters
heated oxygen sensors have 4 wires and O2S sensors normally only 2 wires
it is more that possible that you changed the wrong sensors and in the process damaged the delicate wires with the incorrect spanner being used

Jul 25, 2016 | 2004 Chevrolet Tahoe

1 Answer

P0161


The PO161 code tells you

Did you not google it, to learn what the
reason for the code was

Doesn't mean a sensor is bad,maybe,but you have
to do some testing

PO 161--Bank #2 Sensor #2

Bank #2 is the side opposite cylinder #1
& Sensor #2 is the one at the converter outlet

Need to study OBD2 Systems before you go
any further

Mar 03, 2013 | 1997 Ford Thunderbird LX

1 Answer

97 chevy tahoe. codes po161 and po175. also bad vibration


Needs a wheel balanceing, Yes allso a defective maf sensor could set off the codes that are (Showing)

Nov 06, 2012 | Cars & Trucks

1 Answer

Car drags upon slow down and **** upon movement


CODE PO161 IS REGARDING OXYGEN SENSOR BANK2 SENSOR2 WHICH IT IS LOCATED IN THE BOTTOM RIGHT SIDE OF THE CAT ON THE OUTPUT OF THE CAT.REGARDING CODE P1135 IS FOR AIR FUEL RATIO OXYGEN SENSOR MALFUNCTION BANK1 SENSOR 1. MY OPINION CHANGE THE SENSOR BANK 2 AND RESET THE FAULT USING A SCANNER AND DRIVE IT. I BELIEVE WILL SOLVE THE PROBLEM.

Aug 31, 2012 | 2002 Toyota RAV4

1 Answer

Hi i have code po161 for a 2004 gmc sierra 5.3 is it front o2 or the back o2.


Code P0161 indicates a problem with the heater circuit of O2 sensor #2 on bank #2

Apr 19, 2011 | 2003 GMC Sierra 1500

3 Answers

1999 chevelet suburn i need to no what this code means po161


P0161=O2 Sensor Heater Circuit Bank 2 Sensor 2,
oxygen sensor after converter on passenger side.

Dec 25, 2009 | 1999 GMC Jimmy

1 Answer

My 04 cts has two codes po158 an po161


both pertain to the heated o2 sensor// bank 2 -sensor 2 -their is a malfunction with the heated sensor behind the cat converter either wiring problem or bad sensor--check wiring and or sensor for problem

Dec 17, 2009 | 2004 Cadillac CTS

1 Answer

Fix code po161 on 95 mustang 3.8


P0161(O2 Sensor Heater Circuit (Bank 2 Sensor 2). ...

Nov 13, 2009 | 1999 Dodge Intrepid

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