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  1. #1

    Default Bf225 alarm at idle or low rpm.

    2007 Honda bf 225 intermitent buzzer when slowing down or at idle. The alarm never comes on while running. only when coming down trolling to 1000-1500 rpm or at idle. i have replaced sparks, thermostats, battery terminals, air temp sensor, oxigen sensor a while ago, water is cold out of water pump. MIL blinks one short, delay, one long. Need all your help. Thanks

  2. #2
    Join Date
    Sep 2008
    Location
    Hague, Virginia, USA
    Posts
    4,462

    Default Re: Bf225 alarm at idle or low rpm.

    Pull faults codes and see what it says. One short blink followed my one long blink makes no sense. Attached are two documents telling you the correct procedure for pulling codes, and the other telling you what the codes mean.

    Procedure for Getting Fault Codes.pdf

    MIL fault codes.pdf
    CHawk 25 DLX

  3. #3

    Default Re: Bf225 alarm at idle or low rpm.

    Thanks for your answer. We arr following the same procedure to get the codes out. Got a short video of the codes.
    Check it out here

    thanks all your help

    http://www.dropbox.com/s/t2kobzn26rg...432b1.MP4?dl=0

  4. #4
    Join Date
    Sep 2008
    Location
    Hague, Virginia, USA
    Posts
    4,462

    Default Re: Bf225 alarm at idle or low rpm.

    It looks like you only have the two-light key switch. I think the procedure for pulling fault codes only works with the 4-light key switch. You may have a separate panel with the overheat and oil pressure indicator lights. If so, then you are getting a Code "1" and a code "10".

    Code 1 is usually the HO2 sensor, but a Code 1 is also triggered by a misfiring plug, a failing coil, or fuel pressure out of spec.

    Code 10 is the IAT (Intake Air Temperature) sensor. Check the IAT wiring and plug.
    CHawk 25 DLX

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