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  1. #1

    Honda Aquatrax with no spark! Can you help?

    I have a 2002 Honda F12x thats not getting spark, and I need something to test peak voltage. I am curious if this volt meter with peak adapter would work on my Honda. I just bought it not running and was told it had a bad ECU. I got two ECUs with it and it dont run with ether of them. I ether have TWO bad ECUs or its something else. I just wanna make sure before I buy a THIRD ECU. I would appricate any help with this. Thanks!!!

  2. #2
    I build Horsepower
    NitroShark's Avatar
    Join Date
    Jan 2006
    To answer your question. You need a meter with an impedance of 10 MV/DCV (minimum) signal.


    No reason to check peak voltage if you have no spark output. Check your sensors first for output signals.

    Not sure what meter you have but I use a Pico Scope to do all of this.


    Example below is the waveform you are looking for the Crankshaft sensor.

    Click image for larger version. 

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    Example below is the waveform you are looking for the Camshaft sensor.

    Click image for larger version. 

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  3. #3
    I'm looking to buy a 2004 r12x. Its got no spark. What can cause that?
    Is it worth buying for 500.00. Compression is good....

  4. #4
    It was flooded

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