Question about 1996 Chevrolet K1500

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Hi i have a code p161 shown bank 2 sensor 2 is this located on passenger side behind the cat i have a 96 chevy 1500 2wd with a 5.7 eng

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Change the sensor.

Posted on Jun 15, 2010

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07 suzuki xl7 po420 code. Oxygen sensor bank 2 sensor 1 i believe. Location in the engine. Thanks..


the cold from hell,,
CAT monitor. know it well, too well.

no its not that.
the code tells that engine has a lazy or dead cat.
no engine stated.
its and XL-7 not and XL7, they are different cars.
3.6L V6
bank one is failing the person who told you bank 2 is full of beans.

"Catalyst Efficiency Below Normal (Bank 1)" SM quote. we change the front B1S1 front sensor first.
then the B1S2, sensor next.
then the CAT if sure no exhaust leaks are on Bank1.
S1 is front
S2 is rear
bank 1, is cylinder 1 side
bank 1 is,, right bank, usa is passenger side

look for leaks first in exhuast
then bad 02s, on right side , damage to wires.
the new sensors.
then new cat, $$$$$$$$$$$$$$$$$$$ last

Mar 12, 2017 | 2007 Suzuki XL-7

1 Answer

Need to know location of a s02 sensor in a buick 2004 rendezvous bank 1 sensor one a picture


O2 sensor bank 1 sensor 1 same side as cylinder 1 the sensor before the cat. If engine is facing forward, belts in front it would be on the passenger side. If engine is sideways belts on passenger side, the sensor would be by firewall before cat.

Jun 07, 2016 | Buick Rendezvous Cars & Trucks

1 Answer

Where is Bank 2 sensor 1 oxygen sensor on my 2007 tundra 5.7


Bank 1 is always the sameside of the engine as the number one cylinder.
Bank 2 is always the other side of the engine.
Sensor 1 is always before the cat
sensor 2 is always after the cat.

Cylinder number 1 on this engine is on the drivers side. So bank 2 is the passenger side of the engine and sensor 1 will be located before the catalytic converter.

Nov 17, 2015 | 2007 Toyota Tundra Limited

2 Answers

Where B1S1, B1S2, B2S1, B2S2, O2 sensors are located before or after the catalytic converter passenger or driver side?


Hi, B1 refers to the left side of the engine as you look at the belts. B2 is the right side (bank 2).
S1 refers to the upstream sensor on the respective bank. These sensors are mounted in the exhaust manifold or just below the flange. S2 refers to the downstream sensor or the respective bank--the one after the catalytic converter. Please let me know if you have additional questions, and thanks for usinf FixYa.

Jan 11, 2011 | Ford Explorer Cars & Trucks

1 Answer

2002 Toyota Solara - code 1155 air/fuel sensor heater circuit bank 1 sensor 2 - where is it located?


Hello! Bank 1=Left bank...Bank 2=Right bank...Looking from the transmission side..towards the drive belt side...Left bank=left...right bank=right...Sensor #2 is located behind the cat...

Guru.....................Saailer

Aug 17, 2010 | Toyota Camry Solara Cars & Trucks

1 Answer

Hi i have a code p161 shown bank 2 sensor 2 is this located on passenger side behind the cat i have a 96 chevy 1500 2wd with a 5.7 eng


bank 2 is passenger side, sensor 2 is Post cat (After) more and likely the sensor is extremly dirty, or failing (Either one requires a replacement, they are not cleanable)

Mar 24, 2010 | 1996 Chevrolet K1500

1 Answer

Where is the location of the bank one sensor one o2 sensor on my 2003 chevy suburban


bank 1 on a chevy is on the drivers side youll have 4 O2 sensors sensor 1 bank 1 is on the engine side of the cat converter sensor 2 bank 1 is after the cat converter (drivers side )
bank 2 is on the passenger side sensor 1 is pre cat sensor 2 is post cat converter

Mar 18, 2010 | 2003 Chevrolet Suburban 1500

2 Answers

Need to replace bank 2 sensor 2 on 2003 toyota highlander , where is it located


Bank 2, sensor 2 is a heated O2 sensor located below (after) the catalytic converter on the passenger-side. When this sensor gets clogged and/or goes bad from rust and heat fatigue, the voltage drops low enough to cause the electronic control module to register error code P0161, which then causes the check engine light to come on.

To replace Bank 2, sensor 2, remove the debri shield from just behind the front bumper, underneath the vehicle. There will be 10 bolts holding it on (10mm, I believe). After removing it, look toward the center of the newly exposed area and you will see 2 finger-like objects projecting out from the engine with wires coming out of each. The one on the left (passenger-side) is bank 2, sensor 2. The one on the right (driver-side) is bank 1, sensor 2.

I got my direct-fit sensor online for $55 from Remart Auto Parts. I know it is tempting to get the universal-fit type and save the cash. But after doing that once, I wouldn't care to do it again.

I found a YouTube video showing pictures of where the two lower (after catalytic converter) sensors are located. While the video only points out the driver-side sensor (bank 1, sensor 2), it's easy to spot the other one being only inches away.

http://www.youtube.com/watch?v=TgQtZci2oOg

If anyone has found this helpful at all, please vote for me.

Dec 01, 2009 | 2003 Toyota Highlander

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.

Oct 17, 2009 | 1996 Chevrolet K1500

2 Answers

Can anyone tell me where the bank 1 sensor 2 for the oxygen sensor is for a 2003 ford escape


sensor two is behind the convertors if you have a four cyl its the only sensor behind cat if its a 6 cyl then the side of engine closest to firewall is bank2

Jul 23, 2009 | 2002 Ford Escape

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