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O2 codes!

This is a discussion on O2 codes! within the External Engine forums, part of the LSx Technical Help Section category; Check engine light came on the other day and I got a po151 bank 2 sensor 1 low voltage .(rears ...

  1. #1
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    navy blue
    1998 camaro ss

    O2 codes!

    Check engine light came on the other day and I got a po151 bank 2 sensor 1 low voltage .(rears deleted!). Had a slow response code a few months ago but just cleared it and been fine until now! Car has kooks Lts with their TDs. Bought the sensors (acdelco) new when I put the exhaust on but ran the old sensors with the new exhaust for a little bit. Car is also running a little rough and air/fuel gauge is of course fluctuating abnormally. Since I have the extensions, I was wondering if I should try running the Bosch 13111 sensors? Found them on ebay for about $33 a piece. If I do that, do I have to have the car re-tuned?(Frost). My connections and routing seem good. I used the search for this topic,but just wanted to get some fresh input about it. thanks a lot very much for the help guys!

  2. #2
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    pajeff02's Avatar
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    Black & Blue
    '02 WS.6 / '07 Suburban

    Bosch 13111 sensors are the way to go, especially with LT's. That's a darn good price too.

  3. #3
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    navy blue
    1998 camaro ss

    Guess that's what ill do then. Hope that fixes it!

  4. #4
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    navy blue
    1998 camaro ss

    Should I get this retuned? Or will I be ok?

  5. #5
    Former Mopar Man 2002ssslp's Avatar
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    Silver & Blue
    02 Camaro SS, 04 GTO

    Denso also makes a good O2 sensor and they last alot longer.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

  6. #6
    None Shall Pass Knight's Avatar
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    99 WS.6 - Modified

    You should not need a retune. The sensors will work the same as the stock ones.

  7. #7
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    navy blue
    1998 camaro ss

    Already got the bosch coming.hope they work out, cause the car runs bad right away and the Voltage for the o2 on my scan tool is dropping very low. Guess ill find ouy when I plug em in!

  8. #8
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    yellow
    2004 pontiac gto

    yep, no retune required.

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