ford minibus automatic

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Sun 12 Feb 2006 14:51
ford minibus automatic - mark1cabs
hi all im new to the forum
i have a l reg 93 ford minibus long wheel base automatic gearbox
its a 2 ltr unleaded petrol
driving round town its great no problems as soon as i try to drive anywere over 30 - 40 miles it starts juttering
at 60- 70 miles a hour when you take foot slightly of the axcelerator to let it tick at that speed the bus jutters and nearly dies so you have to put foot right down!! but after a nights rest its as good as new!!
i really need this problem sorted i changed fuel filter still no help
i would really apreciate your help i need the minibus as i have a few kids :) so need it to stay on the road
thanks in advance
sam
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Sun 12 Feb 2006 15:07
ford minibus automatic - bell boy
you say 93 unleaded?
if that is the case it must have the dreaded vv carb then?
can you still get overhaul kit for these?
You also say changed filter?is tank full of crud?
If you are happy with the fuel system how old are ht leads?

all only suggestions mind............
--
\"a little man in a big world/\"
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Sun 12 Feb 2006 18:50
ford minibus automatic - Screwloose
sam

VV carbs! I love 'em; [They've made me fortunes in non-start callouts!]

Check the fuel tank can breathe OK; either through a vented cap, or through a remote venting system - as appropriate. You might notice that the plastic tank has been sucked flat after a run if that's it.

This is more likely to be a case of carburettor icing - far more common that is generally thought. At recent temperatures; the hot-air pick-up system is vital to a vari-jet carb. Check that the white fibreglass hose from the exhaust manifold's tin oven [still present?] to the air intake is still OK. There are various little [red?] vacuum pipes and temp-switches inside the air-filter involved in the system too. At low temps; it must all be working.

If it's icing; it will usually start to drink fuel once the fault occurs. Any black smoke from the exhaust?
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