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Old 04-13-2013, 11:39 AM   #61
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Quote:
Originally Posted by homiegx
Yes bank 1 sensor 2 is one I'm trying to replace but the wrench won't slide on the sensor with the space that is available to turn the wrench between the skid plate and the muffler
The most effective tool is going to be an O2 sensor socket. A wrench may work in certain case but an O2 sensor socket grabs on more sides of the sensor providing better torque and less chance of stripping the sensor.
If you have heard of any that have bent, they were of incredible poor quality. It may be cheaper in the long run to buy a quality O2 sensor socket. If you damage the sensor you may need to being it to a shop so they can get it out for you. Plus if you have it and have another sensor crap out on you, you're set.
I'd let you borrow one of mine if you lived close by.

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Old 04-13-2013, 02:12 PM   #62
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I went and got the socket. Came off easy with it. Old one def looked spent.

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Old 06-23-2013, 12:14 PM   #63
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Ready to change downstram o2 sensor, but it's too tight 0.o

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Originally Posted by KingTJ View Post
Well from what I've researched, NGK was subcontracted to manufacture factory o2 sensors for my year (2000) and so on. Therefore, anything bought from rockauto being "NTK" is NGK's brand and will be exact OEM replacements.
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Originally Posted by HarryJeepGuy View Post
From what I've read, Dealer parts are best, anything but Bosch. I wouldn't hesitate to use NGK.

Hey thanks a lot for your helps guys, I changed my o2 sensor, just need the downstream one now.
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Old 07-15-2013, 02:45 PM   #64
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OK, been following these threads replaced my 02 sensor, bank on, sensor 2 per the PO138 code according to the diagram above. The Check engine light went out, it does seem to be running better, but still feels like running on 5.5 cylinders. This is a new 4.0 crate engine in a 2000 TJ. Without a CE light I'm not pulling any codes, so I'm wondering if it just needs miles to clear up, or how to find whats causing the continued problem
Thanks
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Old 07-20-2013, 12:04 PM   #65
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Quote:
Originally Posted by Under the Palms View Post
OK, been following these threads replaced my 02 sensor, bank on, sensor 2 per the PO138 code according to the diagram above. The Check engine light went out, it does seem to be running better, but still feels like running on 5.5 cylinders. This is a new 4.0 crate engine in a 2000 TJ. Without a CE light I'm not pulling any codes, so I'm wondering if it just needs miles to clear up, or how to find whats causing the continued problem
Thanks
Have your tried tunning your jeep up???
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Old 09-26-2013, 01:25 PM   #66
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is the o2 sensor bank 1 sensor 1 an upstream?
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Old 09-26-2013, 01:26 PM   #67
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is the o2 sensor bank 1 sensor 1 an upstream?

yes
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Old 09-26-2013, 01:29 PM   #68
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Know a cheap place to buy the part? Rock auto is 22 and AutoZone is 40.
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Old 09-26-2013, 01:32 PM   #69
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rockauto is the cheapest, price sounds off though!! Make sure that you use the NTK brand or you will experience problems. I have a thread that was moved to the general discussion area that has a discount code for rockauto.

Rock auto discount code
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Old 09-26-2013, 01:42 PM   #70
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It's 25 for the ntk brand do I need to buy a socket as well?
Also I can afford to install 1 o2 sensor and my jeep is a v6 is that ok? Or do I need to change our both sensors?
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Old 09-26-2013, 01:44 PM   #71
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If only one is bad that is fine. you do not need the socket. I personally think they are a huge waste of money.
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Old 09-26-2013, 01:48 PM   #72
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May I ask why? Sorry I'm new, trying to learn everything I can.
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Old 09-26-2013, 01:55 PM   #73
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Originally Posted by csala027 View Post
May I ask why? Sorry I'm new, trying to learn everything I can.

why what? the socket? it can be done with a 7/8 wrench and no need for it.
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Old 09-26-2013, 03:11 PM   #74
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Oh ok, well thank you , you saved me about 30 bucks. I can buy the part for 25 bucks and a guy said for 50 he can install it for me
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Old 05-08-2014, 09:07 AM   #75
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p0132 p0138 & P0121

Went through the answers. Still having problems.

The problem started with my 2000 TJ 4.0 (German model) running rough sometimes when warmed up.
Received p0138 and p0132. Replaces both O2 sensors by Bosch universal parts.
Problem still there. A mechanics in FL recommended to change the TPS. After I changed it I also got a P0121. First I thought the part might be broken. Changed it a second time P0121 still there. With the old TPS I still get P0138 and 0132 but no P0121.
The problem of running rough got worse with the new TPS.
Now we will go into the wiring. Any recommendations?

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