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O2 Sensors on 1990T Cab

Discussion in 'Mondial' started by DocBasilone, Mar 29, 2021.

  1. DocBasilone

    DocBasilone Karting

    Apr 15, 2020
    97
    NW PA
    Anybody know what if any "special" tool is needed for replacing O2 Sensors?
    After replacing my coils I again after about an Hour on the road experienced bank 1-4 slowdown light and obvious shut down of Rt Bank.
    Interestingly I unplugged my Coil on Rt Side and wiggled O2 sensor wire and when I started it up was no longer showing warning and running smooth Gonna replace O2 sensor next (Both)
     
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  3. DocBasilone

    DocBasilone Karting

    Apr 15, 2020
    97
    NW PA
    Removed air filter and able to get to plugs for O2 sensors but impossible to get to sensor it’s self. Need to take off rear wheel?


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  4. paulchua

    paulchua Cat Herder
    Moderator Owner

    Jul 1, 2013
    10,386
    Menlo Park, CA
    Full Name:
    Paul Chua
    There is a standard tool that lets you remove the sensors, probably possible without the tool - but harder I think. I don't remember the O2 Sensors being particularly hard to reach, but that's assuming you have a lift. All bets are off if you're using a traditional jack.
     
  5. paulchua

    paulchua Cat Herder
    Moderator Owner

    Jul 1, 2013
    10,386
    Menlo Park, CA
    Full Name:
    Paul Chua
    These are connected to the Cats, right? Why would you need to remove the wheel?
     
  6. DocBasilone

    DocBasilone Karting

    Apr 15, 2020
    97
    NW PA
    No lift and can’t get car high enough to get fitting around nut on cat.


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  8. paulchua

    paulchua Cat Herder
    Moderator Owner

    Jul 1, 2013
    10,386
    Menlo Park, CA
    Full Name:
    Paul Chua
    Understood.
     

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