Question about 2002 Nissan Sentra

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How many oxygen sensors are there for a 2002 Nissan Sentra? Where are they located? We can find two, but have read that there should be two banks of two. Could you send us a diagram? thanks

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02 sentra se-r spec v has 2 o2 sensors. 1 at the top and 1 at the bottom of the cat.

Posted on May 23, 2013

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All O2 Sensors are on the exhaust pipes and or in the converters,on all vehicles. Follow the wires.

Posted on Sep 16, 2010

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Where is the oxygen sensor located for nissan sentra lec


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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

1 Answer

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

1 Answer

Where is oxygen sensor bank 1 sensor 2 located on 2001 nissan frontier


Here's a link to your firing order.Bank 1 is cylinder 1,which is on passenger side and sensor 2 is second sensor which is after catalytic converter.Here's the part.

Mar 19, 2013 | Nissan Frontier Cars & Trucks

1 Answer

What is the fix for p0138 on 2006 nissan sentra se


Po 136 ---is an oxygen sensor code for a sensor
on Bank #1 Sensor #2

Nothing to do with MAF

Also education & solutions can be for using Google

Put in------ OBD2 Codes PO138 nissan sentra

Mar 11, 2013 | Cars & Trucks

1 Answer

What does this mean p0141 for2001 nissan sentra


COULD BE OXYGEN SENSOR.Trouble Code: P0141

HO2S-12 (Bank 1 Sensor 2) Heater Circuit Malfunction

Possible Causes:


HO2S heater control circuit is open or shorted to ground.HO2S heater control circuit is shorted to power.HO2S heater is damaged or has failed.PCM has failed.

Jan 20, 2013 | 2001 Nissan Sentra

1 Answer

2002 nissan sentra gxe 1.8 bank2 sensor1 federal emission.Which sensor do I replace?Top/bottom,driver/pass side?


The 1.8 is a 4 cyl. engine . it has only 2 oxygen sensors . Nissan engine controll systems devides its EGO sensors into banks . Bank 1 is the upstream (top before the catylyctic converter) . Bank 2 is the downstream (after the cat. conv.) I recomend you change both for emissions reasons

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1 Answer

I need to know where the crank position sensor is on a 2001 nissan sentra GXE 1.8L . and which oxygen sensors are which numbers


it is wher the engine meets the transmission..on the flywheel...and the oxygen sensors bank 1 is the one before the catalyst....and bank 2 is the one after the catalyst....

Nov 13, 2009 | 2001 Nissan Sentra

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