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  1. #1

    error code 66 stepping motor stuck closed

    Anybody know what the stepping motor is and where it's at and what it does? Cant find much about it in manual. Donald


  2. #2
    Haven't fallen yet. MJE's Avatar
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    it kicks on to stabilize the idle under a load etc. It is that circular black piece thats on your throttle body I'm pretty sure.

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