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o2 sensor problem

This is a discussion on o2 sensor problem within the General Help forums, part of the LSx Technical Help Section category; Hello to all! Ok my problem starts with my o2 sensor bank 2 sensor 1. (The one upstream on the ...

  1. #1
    Member 01ssSLP's Avatar
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    red
    01 camaro ss

    o2 sensor problem

    Hello to all! Ok my problem starts with my o2 sensor bank 2 sensor 1. (The one upstream on the passager side.) I put a new one on had the SES light turned out drove it for 30 miles and it came back on. It is stock cats with a flowmaster cat back, so im not sure whats going on here. Now i do have apair of LT's with high flow cats i just order sitting here. By putting them on would this help at all? The car will not pass state emissions because of this problem. (The SES light) Any help would be great! Thank you.

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    Junior Member extanker's Avatar
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    07 z06

    what codes are ya showing ?

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    Member 01ssSLP's Avatar
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    01 camaro ss

    Not sure on the code so ill have to get back to you on that one.

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    Member 01ssSLP's Avatar
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    01 camaro ss

    The code that is showing is p0154. Is this up or downstream driver or passager side?

  5. #5
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    P0154 is insufficient activity bank 2, sensor 1 (passenger side, precat). Assuming the sensor is OK something else is going on - loose sensor, wiring, corroded connector, etc. www.gearchatter.com/viewtopic9159.php

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    Member 89LX's Avatar
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    Navy
    2000 Z28 M6

    SameO

    I had the same code after header install and could not get rid of it. Turned out to be a small exhaust leak aft of #2 O2 on passenger side. I didn't think it would effect the front O2 but must have. After fixing leak light has stayed out. Good luck
    2000 Z28 M6, SLP Lid, SLP Bellows, SLP UD,
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    337rwhp/348rwtq

  7. #7
    Member 01ssSLP's Avatar
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    red
    01 camaro ss

    Thanks to all for the help! Going into to garage tomorrow to see whats up. I will post to let you know whats going on.

  8. #8
    Member 01ssSLP's Avatar
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    01 camaro ss

    just wanted to up everyone. Im getting my car back but they still arent 100% on what it is. Has something to do with the drive cycle and the monitors not comeing in.

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    Some info on drivecycle/readiness monitors: www.obdii.com/drivecycle.html

  10. #10
    Member 01ssSLP's Avatar
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    01 camaro ss

    Just wantedto let everyone know problem is fixed! There was a tear in the o2 sensor sleeve up by the computer. Cost was 75 bucks. Never would have that of that. Thanks again for everyones help!!!

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