Question about 2001 Chevrolet Impala

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Where is the O2 sensor for 2001 chevy impala. im looking for a photo to see if I can replace it myself.

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  • Roberta Smith
    Roberta Smith May 11, 2010

    it screws into the exhaust pipe near the catyalitic converter

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There are several on your vehicle there are generally atleast 3 seperate O2 sensors one on the exaust manifold on the left side( facing the front of vehicle) one on the right exaust manifold( near the firewall on the right side and one on the connection before the catalayic converter. please note that there can also be one after the converter before the muffler as well

Posted on Apr 17, 2009

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1 Answer

Wiring diagram on o2 sensor 2001 impala


Use the right O2 do not use a generic and always replace both sensors if it has a V6. If you don't do the above you will likely get another error code I know this from years of experience on this type of job.

Nov 08, 2016 | 2001 Chevrolet Impala

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I have a 2007 chevy impala, my engine code is reading p2a01 im wondering where exactly the location of this 02 sensor is?


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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.

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1 Answer

I have a 02 3.4 chevy impala. my check engine light is on for a bank one o2 sensor. iv replaced the upper and lower o2 sensors twice this week and code is still coming up.also when im driving it feels like...


i would suggest checking fuel pressure and fuel filter could have little dirt or something clogging fuel and engine light will stay on due to too rich or too lean of fuel/air mixture

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1 Answer

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.

May 18, 2011 | 2005 Chevrolet Impala

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Why does the gas guage not register how much gas is in the tank of our 2001 Chevy Impala?


This could be due to a faulty fuel sensor in the fuel tank try draining the fuel tank and replacing the sensor.

Jun 22, 2010 | 2001 Chevrolet Impala

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2002 chevy impala o2 location?


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Feb 26, 2009 | 2002 Chevrolet Impala

1 Answer

How do you change oil on a 2001 chevy impala


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