Question about 2000 Nissan Sentra

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2000 Nissan Sentra, Running Ritch, comp calls out Sensor 2, Where

Where can I find Sensor 2, I was told it is my 2nd o2 sensor behind Cat. 1st o2 sensor checks out ok.

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Yes exactly

Posted on Jan 24, 2009

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2 Answers

Where is the oxygen sensor located for nissan sentra lec


this is from the web, yahoo answers I think




Best Answer: That was the dumbest answer. On a four cylinder engine a o2 sensor is reading the air fuel ratio from the exhaust of all four cylinders. There is a o2 sensor before and after the catalytic converter. Bank 2 is refering to the o2 sensor after the cat. When u replace it you need to inspect the cat and make sure its not coming apart from the inside. If it is you need a new one. If u cant afford one then i would just hollow out the cat with a large screwdriver. If u hollow it out ur car wont pass emission testing.
Source(s):

May 27, 2015 | Nissan Sentra Cars & Trucks

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Where is bank one sensor two located on a 2004 ford 3.0


I bet you mean O2 sensor. 1st sensor is in exhaust before the converter, 2nd is after converter. 2nd one just indicates when converter is not doing its job, so not crucial to fix as far as running. However, when one O2 sensor fails, can the others be far behind?

Dec 15, 2014 | 2004 Ford Escape

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O2 Sensor Bank 1 Sensor 2 location


standing in front of the vehicle looking at the engine bank 1 sensor 2 is the sensor after the cat converter on the bank on your left
bank one is the left cat ---bank 2 is the right cat. Sensor 1 is the one before the cat and sensor 2 is the one after the cat on either side

Mar 14, 2014 | 2000 Nissan Sentra

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Nissan Sentra 2005 lags in changing 1st to 2nd gear


You need to have the systems computer tested for fault codes, that is the very 1st thing that needs to be done. If they rebuilt the transmission for $900 they did not replace very many parts or do a through job, the average cost is more like $2500.00

May 17, 2012 | 2005 Nissan Sentra

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Which sensor is the bank 2 sensor 1 for a 2001 nissan sentra?


Unless I am missing something the 2001 nissan sentra has two four cylinder engine options.

The bank refers to which side of the engine. a four cylinder only has one bank so there can only be a bank 1. A v-6 or v-8 will have two banks since there is a bank of cylinders on each side of the engine. So there will be a bank 1 which is always the same side of the engine as the number one cylinder, and a bank 2 which is always the other side of the engine.

Sensor refers to upstream or downstream of the catalytic converter. Sensor one is upstream or before the cat. Sensor 2 is downstream or after the cat.

If you entered the wrong year or wrong vehicle or if you can post the actual code I will see if I can help you further.

Sep 17, 2011 | 2001 Nissan Sentra

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Location of o2 sensor bank 1 sensor 2


Bank 1 sensor 2 is the O2 sensor behind the catalytic converter.

Apr 08, 2011 | 1999 Nissan Sentra

1 Answer

Where exactly is the O2 sensor bank 1 sensor 2 on my car? Does that sensor require an up or down stream replacement part?


if its a 4 cyl which i think it is that sensor would b the downstream sensor.meaning after cat conv. normally this sensors cheks cat conv efficiency

Apr 08, 2011 | 1999 Nissan Sentra

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I have a 2003 Nissan Sentra SE-R Spec V. o2 sensor location?!?1


theres always one on the intake manifold working its way down to catalytic convertor is the oxygen sensor 1 heater circuit(pre cat conv) signal while terminal #25 is oxygen sensor 2 heater circuit (post cat conv)

Feb 12, 2010 | Nissan Sentra Cars & Trucks

1 Answer

O2 Sensor Bank 1 Sensor 2


That is the O2 sensor right behind the cat. converter. When the cat is clogged it can shoot contaminates in the O2 sensor so sometime just cleaning the sensor will make it work again, if not it will need to be replaced. Mark - ABKS

Oct 02, 2008 | 2001 Dodge Neon

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