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Machine will not accelerate

Hi,I have a problem on a hyster fortens which will not accelerate.The instrument panel is registering the the following fault code 51-7.I have tried change accelerator pedal assembly but there has been no change.Please help.

Gwin
Angola
  • Posted 2 Nov 2010 23:14
  • By gwinyayi_p
  • joined 26 Jan'07 - 4 messages
  • Harare, Zimbabwe
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Hi thanks for the info.What can I do to get the the throttle positions to move.

Gwin
  • Posted 25 Nov 2010 05:26
  • By gwinyayi_p
  • joined 26 Jan'07 - 4 messages
  • Harare, Zimbabwe
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fuel system blockages give this code. check filter head plunger isn,t sucked down.blockage in fuel pipework
  • Posted 5 Nov 2010 03:51
  • By grubbymits
  • joined 25 Jan'09 - 49 messages
  • scotland, United Kingdom
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51 -7 is throttle position sensor signal a and b not at commanded values. can you hook up to a computer to look at values, if not they can be veiwed through the dash. one of these is not moving or moving erracticaly
  • Posted 4 Nov 2010 05:49
  • By bryan
  • joined 19 Oct'10 - 9 messages
  • Ontario, Canada
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Fact of the week
Foundling hatches are safe, anonymous drop-off points for unwanted infants, allowing parents in crisis a way to surrender a baby safely without fear of punishment, ensuring the child is rescued and cared for. The concept started in the 12th century, was abandoned in the late 19th century, then reintroduced in 1952. It has since been adopted in many countries.