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    BF90D 41-2 H02S Heater Failure

    That is a very detailed write up. I am waiting on my new (used) ECU to show up. I noticed some corrosion on the pins of the ECU, I very gently took a light wire brush and contact cleaner to them and had two pins break off. The corrosion at the base of the pin had eaten it away and it took...
  2. D

    BF90D 41-2 H02S Heater Failure

    I have this same problem currently on a Honda BF75D (same powerhead as BF90D). Did an OEM replacement sensor fix your problem of the code 41-2? I am also using heal tech diagnostic.
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