Question about 2001 Hyundai Sonata

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Where are the 02sensors bank 1 and bank 2 located?

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On the expipe should one in front of cat converter if u are looking straight down into the motor one is straight down right off the manifold

Posted on Oct 03, 2009

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I have a 2004 durango 5.7, I changed 3 02sensors, check engine light still on saying bank 1 sensor 2 & bank2 sensor 1, I need help?


You will need to use a scan tool containing a data function to monitor the 02 readings and see what the sensors are actually doing. If the engine is not operating efficiently, it will set these codes due to incorrect air/fuel ratios in the exhaust. Have it proffessionaly scanned to determine the cause of this problem before putting unnecessary parts on the vehicle

Aug 22, 2015 | Cars & Trucks

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Check engine lite was on changed right bank 02sensor took back to be smogged still didn't pass shows the other 02sensors gave acitivity but the one i changed does not . this make 3 times i have change


Probably something in the wiring harness or the engine computer.
A mechanic would watch the data stream from the O2 sensors to troubleshoot. You should also have trouble codes for the sensor in question.

Feb 04, 2014 | 2000 Hyundai Sonata

1 Answer

Downstream oxygen sensor H02 Bank 1 & Bank 2


Bank 1 o2 sensor is located in the exhaust manifold up by the motor bank 2 is located downstream futher in front of the cat.converter mounted in the exhaust pipe.

Aug 12, 2013 | 2002 Mercury Sable

1 Answer

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

3 Answers

Were is the bank 2 censor 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,

Aug 20, 2011 | 2000 Chevrolet Express Cargo

4 Answers

Where is bank1 and bank 2 located on a lincoln LS?


Bank #1 passenger side

Bank #2 driver side

Replace the front (2) converter inlet O2 Sensors,
when they get to 100,000 miles

Aug 04, 2011 | 2002 Lincoln LS

2 Answers

Bank 1 sensor 2 location on a 1996 chevy suburban


zjlimited_210.jpg

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


zjlimited_211.jpg


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





zjlimited_212.jpg



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

Where are bank 1 sensor 1, bank 2 sensor 1, bank 1 sensor 2, and bank 2 sensor 2


bank one sensor 1 is the bank of cylinders that number 1 spark plug is located in, bank 2 the other side, this assumes u have a V8, the sensor one location is the sensors that are BEFORE THE CATALYTIC CONVERTER, the sensors referred to as sensor 2 are after the ones AFTER THE CATALYTIC CONVERTER IN THE EXHAUST SYSTEM.

Apr 28, 2010 | 2004 Jeep Grand Cherokee

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

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