Question about 2000 Nissan Maxima

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0158 2 bank 2sensor 2 after catalytic converter

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Long as the wires to the o2 senser are good .the o2 senser is next to radiator on the exhaust were the two pipe meat.under the car pinting up.

Posted on Jun 26, 2009

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How many o2 oxygen sensors does a Mazda 2002 MPV LX have


Four. There are two located before the catalytic converters and two after the catalytic converters.

The are referred to as bank 1 and bank 2 and sensor 1 or sensor two. Bank 1 is always the same side of the engine as the number one cylinder. Bank 2 is the other side. Sensor 1 is always before the catalytic converter. Sensor 2 is after the catalytic converter.

  • Bank 1 sensor 1 - same side of the engine as the number one cylinder and before the cat.
  • Bank 1 sensor 2 - same side of the engine as number 1 cylinder, after the cat.
  • Bank 2 sensor 1 - Opposite side of the engine as the number one cylinder and before the cat.
  • Bank 2 sensor 2 - Opposite side of the engine from number 1 cylinder and after the cat.

Sep 23, 2015 | Mazda Cars & Trucks

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How many o2 sensors on a 99 Cadillac catera


Four .
Heated Oxygen Sensor (HO2S Bank 1 Position 1)
Located in RH front pipe of the exhaust catalytic converter
--
Engine Controls Connector End Views in Engine Controls
Heated Oxygen Sensor (HO2S Bank 1 Position 2)
Located in RH rear pipe of the exhaust catalytic converter
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Engine Controls Connector End Views in Engine Controls
Heated Oxygen Sensor (HO2S Bank 2 Position 1)
Located in LH front pipe of the exhaust catalytic converter
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Engine Controls Connector End Views in Engine Controls
Heated Oxygen Sensor (HO2S Bank 2 Position 2)
Located in LH rear pipe of the exhaust catalytic converter

Sep 21, 2015 | Cadillac Cars & Trucks

1 Answer

How many oxygen sensors are there on a 1996 ford explorer 8 cyl., 4.0 eng.


The answer depends on the type of exhaust system you have. You will have either 3 or 4 total O2 sensors on your V8. If you have single exhaust with a single catalytic converter then you will have 3 O2 sensors (2 upstream sensors & one downstream sensor - "up or down stream" meaning before of after the catalytic converter). If you have either dual exhaust and/or two catalytic converters then you have 4 O2 sensors (2 upstream & 2 downstream). If you have an MIL light (malfunction indicator light, or "check engine light") the code will indicate "front bank / bank one", which is one of the 2 upstream O2's before the catalytic converter(s), or "rear bank / bank two", which is one of the O2's after the catalytic converter(s).

Apr 22, 2012 | 1996 Ford Explorer

2 Answers

The computer show's 02 sensor bank 2 stuck and to lean, which one is it their are 4 of them on this truck


bank 1 sensor 1 is driver side exhaust pipe in front of catalytic converter, bank 1 sensor 2 is drivers side exhaust pipe behind catalytic converter, bank 2 sensor 1 is passenger side exhaust pipe in front of catalytic converter, bank 2 sensor 2 is passenger side exhaust pipe behind catalytic converter.

Mar 23, 2011 | 2006 Ford F-150

2 Answers

Another o2 sensor ? bank 2 is the downstream but if you were looking at the front of the car what would sensor 2 be. is it right or left?


The "bank" references which side of the engine the O2 sensor is on. The "sensor" references if the O2 sensor is before the cat or after the cat.

Bank 1 is the same side of the engine as the number one cylinder. Bank 2 is the other side of the engine.

Sensor 1 is before the catalytic convert and sensor 2 is after the catalytic converter.

So bank 2 sensor 2 is the O2 sensor on the side of the engine opposite the number one cylinder and after the catalytic converter.

Nov 17, 2010 | 2004 Infiniti I35

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).

Oct 06, 2010 | 2002 Jaguar X-Type

1 Answer

Getting OBD codes p0420 and p0430, how to fix these issue with my 2001 Audi A6


2001 Audi A6
EOBD code: P0420
Fault location: Catalytic converter system, bank 1 - efficiency below threshold
Probable cause: Catalytic converter, wiring, heated oxygen sensor 2 (downstream)

EOBD code: P0430
Fault location: Catalytic converter system, bank 2 - efficiency below threshold
Probable cause: Catalytic converter, wiring, heated oxygen sensor 2 (downstream)

Sep 14, 2010 | 2001 Audi A6

1 Answer

Where is bank one oxygen sensor located at on a 2003 yukon


Need more information but here is where all your O2 sensors are located
Bank 1 Sensor 1 - Driver's side, before catalytic converter Bank 1 Sensor 2 - Driver's side, after catalytic converter
Bank 2 Sensor 1 - Passenger side, before catalytic converter
Bank 2 Sensor 2 - Passenger side, after catalytic converter

Thank you for using fixya and good luck

May 13, 2010 | 2003 GMC Yukon XL

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