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2002 Chevy Impala 3.4 Liter - sensor location bank 1 sensor 2

Sensor location bank 1 sensor 2

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It is one the back side of the catalytic converter. Under the car. The only one back there. About inline with the front doors.

Posted on Dec 07, 2014

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Posted on Jan 02, 2017

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Where are the 02 chevy impala 3.8L o2 sensor locations, I only see three. the top bank one sensor 1 is stripped out, how do i get that one out?


you can apply pressure to the sensor while undoing it to force it out or you will have to cut out the thread area and get an O2 sensor bung hole replacement at an auto supply store and weld into place and install a new O2 sensor. bank 1 sensor 1 is located in the front pipe off the manifold that has cylinder #1 on and bank 2 sensor 1 is on the side that cylinder #2 is on like sensor 1. sensor 3 is the one just before the cat.

Sep 17, 2014 | 2002 Chevrolet Impala

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Where is bank 1 o2 senser located on 2002 chevy impala


That is the downstream sensor.
This picture is the 3.4 engine



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Jul 09, 2014 | 2002 Chevrolet Impala

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Where is the bank one knock sensor located on a 2002 chevy tahoe 5.3 liter?


Bank one has cylinder one, and that should be the driver side.
So it should be near the oil filter on the side of the block.
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Wheres the location of the number one bank oxygen censer on a ford windstar 3..8 liter 2002


bank one is always the same side of the engine as the number one cylinder. Bank two is the opposite side.

the number one cylinder is on the back side of the engine closest to the firewall. the upstream (sensor 1) O2 sensor will be in the exhaust manifold. The downstream (sensor 2) will be in the exhaust pipe after the catalytic converter.

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Where is the location of the o2 sensor in a 2002 chevy impala 3.8l engine?


if you look on the back side of the engine closest to the firewall there will be one in the exhaust manifold. That one will be the bank 1 sensor 1 O2 sensor.

If you look under the car there will be one right after the catalytic converter. That will be the bank 1 sensor 2 O2 sensor

Jul 06, 2011 | 2002 Chevrolet Impala

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Where is the O2 sensor Bank 1 on a 2005 chevy impala


BANK 1 UP STREAM OXYGEN SENSOR LOCATION IS LOCATED ON THE REAR EXHAUST MANIFOLD.

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I would like to know the Location of the P0036 on a 2005 Chevy Impala LS. Motor: 3800. Also how to replace it.


P0036....HO2S Heater Control Circuit (Bank 1 Sensor 2)
location is Bank 1 is on the side of number 1 cylinder. Sensor 1 is on the exhaust manifold. i would change the oxygen sensor on the exhaust manifold i believe thats the one closes to the front of the car with the hood up. good luck

Apr 16, 2010 | 2005 Chevrolet Impala

1 Answer

Oxygen sensor


Hi bank 2 is reffering to the side of the engine that the #2 cylinder is on and sensor 1 will be the one up infront of the catylitic converter toward the engine!

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2002 Chevy Impala Sensor # 3


You didn't give the engine size, so I'll give what my manual shows.
The 3.4L engine----- 2nd one in from the left, in back of the engine.
The 3.8L engine------2nd one in from the left, in front of the engine.

Mar 12, 2009 | 2002 Chevrolet Impala

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