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Thread: O2 sensor life?

  1. #1

    O2 sensor life?

    Given that any O2 sensor we fit sits in a very humid environment, how long do they last on average? (Let's assume it's a decent one. (Bosch, Innovate etc).

    What happens when they fail? Do they just stop giving a reading, period? Or do they give gradually worsening, inaccurate data?

    Just wondered as I am gonna run the CMD on autotune and I'm interested (if not a little scared) that if the O2 fails the autotune may well read this random / inaccurate dat and lean out to destruction? Fantasy or possibility?


  2. #2
    SLASHER's Avatar
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    If u tap ur exhaust manifold it should last ... I have had 2 years and no problems but in my old RXP in the J pipe I would be lucky to last 3 months ...

  3. #3
    boost junkie skidoochris's Avatar
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    2 years lol... if your real lucky
    siting all winter with water in the exhaust is hard on them
    and the bosch sensors are over $100
    my last sensor would read normal until about 6-7000 then read 999.
    if your sensor goes bad out on the water just un-plug it
    that will shut off auto tune
    IMO 20 point should be the max change when tuning
    also after you get the ski pretty close on tune
    set the auto tune to 10 point max change
    so even if it goes bad you can still drive the ski

  4. #4
    www.eastcoastpwc.net Scott's Avatar
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    Quote Originally Posted by SLASHER View Post
    If u tap ur exhaust manifold it should last ... I have had 2 years and no problems but in my old RXP in the J pipe I would be lucky to last 3 months ...
    I'm on my 3rd season using the same o2

  5. #5
    SLASHER's Avatar
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    Our weather here us pretty dry here most of the year ... My skis are started at least once a week dry ...

    dry exhaust ... Happy O2 sensor ...

    or just remove it and keep it dry ...

    I buy the sensors at a batch up of e bay and ends up costing about $60 each and all Bosch ...

  6. #6
    Vern's Avatar
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    Quote Originally Posted by Scott View Post
    Quote Originally Posted by SLASHER View Post
    If u tap ur exhaust manifold it should last ... I have had 2 years and no problems but in my old RXP in the J pipe I would be lucky to last 3 months ...
    I'm on my 3rd season using the same o2
    Me too ... in the manifold, no issues.

  7. #7
    Bob 1tommygunner1927's Avatar
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    2-3 years max.......and if you're using avgas maybe less. One simply doesn't know when it will crap out!

  8. #8
    Moderator beerdart's Avatar
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    My GPRXP had the sensor installed in 2009 and still going strong ive even rode it several time with it not powered up.

  9. #9
    Quote Originally Posted by skidoochris View Post
    and the bosch sensors are over $100
    i get 2 for that price and keep one as a spare and if i do major changes or think it is not reading correct i replace it.

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