Need to locate upper oxygen sensor bank 1 on 1996 dodge intrepid

Question turned around for clarity.
Question moved to model category.

Bank one is drivers side.
Sensor 1 is closest to the engine and before the Catalytic Converter.
Sensor 2 is just after the Cat in the exhaust.

Same as this

https://www.2carpros.com/questions/where-is-the-bank-i-oxygen-sensor

More here. Check that the wiring is intact, as it is odd they have both failed.

https://www.google.com/search?q=2005+Dodge+Durango+4.7L+V8.+Bank+1+sensor+1+and+2

..

P0036 is an oxygen sensor failure of its internal heater on bank 2.
P0108 is a map sensor
P0068 is a MAS sensor not consistent with TPS.

The fix is to replace the map mas sensor and the oxygen sensor.

Where is it located which port

you need to do a compression test and a cooling system pressure test to make sure there is no leakage.
If this is ok then there is a possibility that it is not burning the fuel properly and that there is excess moisture exiting the combustion chamber.

try this
ALLDATA Editor's Note: Always verify #1 cylinder location prior to diagnosis and repair.

- Cylinder bank number one is the bank that contains number one cylinder.


See: Firing Order


View & Print Options
Cylinder #1 on left side.

View & Print Options
Cylinder #1 on right side.

- The first oxygen sensor in cylinder bank # 1 is numbered O2 Sensor 1/1.
- The second oxygen sensor in cylinder bank # 1 is numbered O2 Sensor 1/2.
- A third oxygen sensor in cylinder bank # 1 would be numbered O2 Sensor 1/3.
- The first oxygen sensor in cylinder bank # 2 is numbered O2 Sensor 2/1.
- The second oxygen sensor in cylinder bank # 2 is numbered O2 Sensor 1/1.



- If a V-6 or V-8 vehicle only uses one downstream Heated Oxygen Sensor (HO2S) it is numbered O2 Sensor 1/2, even if it uses two upstream HO2S.
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you can buy an inexpensive code scanner at any pepboys or autozone and most parts stores scan your computer then go from there bank 1 is the side of engine where the number 1 spark plug is located they usually go anywhere from 80-120 thousand miles

1391 is a timing code cam or crank sensor
0134 bank 1 sensor 1 usually left front but double check
1684 doesn't match anything i know

The O2 sensor on the 3.5L is located towards the rear of the engined mounted in the exhaust manifold.

drivers side is 1, 3, and 5. Bank 2 is pass side.

There is only 4 sensors on a 2000 dodge intrepid and the bank 2 sensor 2 is the sensor located on the right (passenger) side and the one located after the catalytic converter (the one close to the firewall).