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Discussion Starter · #1 ·
A friend of mine has a 54reg ST170 the fault it has, is when driving along and keep it at a constant revs ie 3000rpm going up hill, it starts to lunge forward then off again, it can't even do a corner on a slight incline in second gear it sarts to die, but on high revs its ok. They have replaced everything they can and even had it to camco for a full diagnostic check.

They have also had the newist ford map installed Anyone have any ideas.
 

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Discussion Starter · #4 ·
QUOTE(Dabhand16 @ 8 Feb 2010, 11:12 AM) <{POST_SNAPBACK}>I'm sure I saw a thread on here somewhere that spoke of some inlet manifold issue. Apparently there is some kind of valve or butterfly in the inlet manifold that can stick or fail.

Have you tried searching the forums?

ye tried, all these things are replaced with new
 
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