How many o2 sensors on 1996 accord?

Discussion in 'Accord' started by :\, Aug 18, 2006.

  1. :\

    :\ Guest

    I need to replace one and I was told bank 1 sensor 2. Are there more
    than 2 sensors on the 4cylinder? I see the one on the front of the
    engine where is the other? Thanks:)
    :\, Aug 18, 2006
  2. :\

    John Horner Guest

    There should be one before the catalytic converter and one after.
    Sensor 2 would normally be the one after the cat.

    John Horner, Aug 18, 2006
  3. The "bank 1" part doesn't apply to single manifold engines like yours; on
    engines that have dual heads and dual exhaust manifolds one side is bank 2.
    In each case, sensor 1 is the one ahead of the catalytic converter that
    provides feedback to the ECU to correct the mixture. Sensor 2 is after the
    catalytic converter to monitor the catalyst operation. With that bad, the
    ECU doesn't know if your emissions are in spec or not.

    Michael Pardee, Aug 18, 2006
  4. -------------------------------

    Actually, you need to tell us the CODE that helped 'them' come up with
    that suggestion. It should be written down on your work order. All is
    speculation otherwise.

    What symptoms do you have?

    'Curly Q. Links', Aug 18, 2006
  5. :\

    John Horner Guest

    If it is really sensor 2 then the only symptom would be a check engine

    John Horner, Aug 18, 2006
  6. :\

    :\ Guest

    change it today and then I will be chasing an oil leak. Thanks again to
    all of you!!! :)Nel
    :\, Aug 18, 2006
  7. --------------------------------------------

    The OBD II codes P0137, P0138, P0139, P0141, P1420 are all specific to
    sensor 2, and there may be more. I only glanced at the list.

    All is speculation without the CODE, whether he got it for free, or paid
    somebody to read it.
    'Curly Q. Links', Aug 18, 2006
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