Bank 2 Sensor 1 Location - JeepForum.com

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post #1 of 19 Old 01-14-2012, 11:46 AM Thread Starter
BleedingBlue
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Bank 2 Sensor 1 Location

Where is the bank 2 oxygen sensor 1 located? I know it is a downstream sensor and I located both directly after the cat, but I dont know which one it is? Thanks!

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post #2 of 19 Old 01-14-2012, 02:10 PM
84foxgt
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pass. side is bank 2. if you are looking for sensor 1 that would be the upstream sensor, 2 is the downstream sensor.

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post #3 of 19 Old 01-14-2012, 02:44 PM Thread Starter
BleedingBlue
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The guy at auto zone said downstream so that is what I bought...dang. The code is P0152.

I had some transmission work done and they replaced one of my up-streams bc they said it was bad, I bet they used a cheap one and that is why it is throwing a code.
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post #4 of 19 Old 01-14-2012, 03:02 PM Thread Starter
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I crawled under there and to no surprise the one they changed is throwing the code. They said it was bad and a light never came on for it which I thought was interesting....
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post #5 of 19 Old 01-14-2012, 04:14 PM
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Quote:
Originally Posted by BleedingBlue View Post
I crawled under there and to no surprise the one they changed is throwing the code. They said it was bad and a light never came on for it which I thought was interesting....
MOPAR's like OEM or NGK O2 sensors. Others (like Bosch) may throw a DTC (diagnostic trouble code). Recommend you find out what brand was installed and then return to one of the preferred manufacturers.

Codes can be read here: http://www.wkjeeps.com/trouble_codes.htm
P0152 is Bank 2, Sensor 1 (passenger's side, front sensor).

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post #6 of 19 Old 01-14-2012, 04:23 PM Thread Starter
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Do they sell NGK sensors anywhere or only online?
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post #7 of 19 Old 01-14-2012, 07:49 PM
84foxgt
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you can get them from Napa.

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post #8 of 19 Old 01-14-2012, 08:14 PM Thread Starter
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you can get them from Napa.
Awesome, thanks!
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post #9 of 19 Old 01-15-2012, 07:51 AM Thread Starter
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Well Napa is closed on sundays, but Advance has NTK oxygen sensors...are those any good?
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post #10 of 19 Old 01-15-2012, 09:29 AM
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same thing. thats who is making the ngk ones. you're welcome

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post #11 of 19 Old 01-15-2012, 10:09 AM Thread Starter
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Thanks, went and picked one up and there is no way I can change this thing. I cant even touch the connector with the trans and exhaust pipes in the way...what a pain
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post #12 of 19 Old 01-15-2012, 03:32 PM
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Quote:
Originally Posted by BleedingBlue View Post
Thanks, went and picked one up and there is no way I can change this thing. I cant even touch the connector with the trans and exhaust pipes in the way...what a pain
Anyone have a suggestion on how to get to that connector?

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post #13 of 19 Old 01-15-2012, 03:57 PM
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Here are some fun pictures
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post #14 of 19 Old 01-16-2012, 12:17 PM
zonk6719
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Bank 2 Sensor 2

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Originally Posted by just501 View Post
Anyone have a suggestion on how to get to that connector?
I can not get this either.
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post #15 of 19 Old 01-16-2012, 09:01 PM
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Evidently when the drivetrain was assembled, they installed the transmission fill tube after the wiring. The wiring is between tube and transmission and it seems not possible to remove without either 1) removing tube or 2) cutting wires (sensor end).

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downstream oxygen sensor , o2 sensors

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