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    I have a 450j with no throttle and won't move. I do have codes f423 and f9c3.

    I have a 450j with no throttle and won't move. I do have codes f423 and f9c3.
  2. B

    JD 670J Dozer No throttle response throttle response

    Hi just ran across this thread, had to join. I have a 2006 450j lgp with the codes f423 and f9c3, was running fine made 2 pushes, stopped idled down and that's when the codes appeared. Any help would be appreciated.
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