Location of oxygen sensors on a v6?

2002 TOYOTA CAMRY
135,000 MILES
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JUICE.C
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I am trying to locate all the oxygen sensors on my camry. There is a picture floating around online but i don't think it's the correct one for my car.( i have attached this picture)

I know that my car has 4 Sensors Two of which are A/f sensors.

Upstream front
Upstream Back
Downstream Front
Downstream Back

I think the Upstream front is the one that comes directly out of the front of the manifold but that i pretty much the only one that i know.

A garage told me that i needed to change Bank 1 Sensor 2 and Bank 2 Sensor 1. Now i just have to locate them on the car. I have my Haynes Repair Manual but it doesn't give any information.

Thanks in advance for your time and anticipated feedback!
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Oct 14, 2011 at 6:17 PM
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MHPAUTOS
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Bank 1 is the side with #1 cylinder sensor 2 is the down stream or second sensor on that side, Bank 2 is the other cylinder bank, sensor 1 is the up stream or first sensor, does that help? Check the image below for a diagram of the oxygen sensor locations. Check out the images (Below). Please let us know if you need anything else to get the problem fixed.
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Nov 11, 2017 at 6:32 PM
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JUICE.C
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Yes, this is very helpfull. The parts that received from the store are the wrong parts.
Nov 11, 2017 at 6:32 PM
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JUICE.C
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okay, i've changed the sensors, the sputtering has stopped. I still have the code P1135, now i have another code which is p0110. The car looses power when you accelerate.
Nov 11, 2017 at 6:32 PM
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MHPAUTOS
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P 1135 lean mixture, check for vacuum leaks, and P0110 Check that the air intake temp sensor in the air filter box is installed correctly.
Nov 11, 2017 at 6:32 PM