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matt426 Card Holder Posts : 19 Location : newport wales Status : Offline 
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bedford cf 2 hi can anyone help please i have a cf 2 it runs but as a flat spot when reved up and when movein pulling off it will die will not keep running then when it comes to a stop try to restart it will start not sure if the dizzy(cap) and arm is worn out but the mixture screw likes to be turned out more then 3 turns is that right? need help soon goin away tomorrow fridaythanks ---------------------- |
 Fri 30 Jul 2010 @ 00:39
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philbradshaw Card Holder Posts : 2336 Location : Haslingden Status : Offline 
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Assuming it's the Opel engine: check for air leak between distributor & carburettor (vacuum advance pipe), servo vacuum hose & also air filter Air-Vac pipes (small diameter ones from servo hose valve connection to filter case & from filter case to valve in filter neck). End connections are more likely to be suspect especially on small diameter pipes. ---------------------- |
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Fri 30 Jul 2010 @ 02:24
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matt426 Card Holder Posts : 19 Location : newport wales Status : Offline
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Thanks for that :) there was a leak on the vac pipe the servo one was splitin also I've renewed the dizzy cap and rotor arm does wonders oh and new ht-leads I can now enjoy my weekend in my Bedford thanks for your help ---------------------- |
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Fri 30 Jul 2010 @ 14:11
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matt426 Card Holder Posts : 19 Location : newport wales Status : Offline
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I've broken down can't beleave it it runs for a few miles then spluters think the head maybe warpped?Or faulty coil? ---------------------- |
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Fri 30 Jul 2010 @ 21:19
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stesh Card Holder Posts : 73 Location : Durham Status : Offline 
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check it's got a good spark and fuel supply before condeming the cyl head |
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Fri 30 Jul 2010 @ 21:57
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philbradshaw Card Holder Posts : 2336 Location : Haslingden Status : Offline
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Spark from coil HT lead supported close to an earth (body or engine but well away from the carburettor) should jump about 1cm. ---------------------- |
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Fri 30 Jul 2010 @ 22:03
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jeffo Moderator Posts : 408 Location : Liverpool Status : Offline 
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Are you sure it is electrical or head? I had similar and it was fuel starvation due to a blocked air hole in the fuel filler cap. (Discovered by the sucking noise it made when opened) A friend of mine had a similar fault and it was a weak spring in the fuel pump which for some reason worked intermittently. Could it be a semi choked fuel filter? ---------------------- |
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Fri 30 Jul 2010 @ 22:52
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matt426 Card Holder Posts : 19 Location : newport wales Status : Offline
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It might be fuel problem is there anyway to clean the filter I'm on a camp site at the moment looks like I may need to recover it home unless I can get it sorted here I've cleaned the carb but if it's fuel won't the choke help it to run as I tried it when the splutterin started as the choke gives it more fuel right? But that didn't even work dunno weather it's eletrical fault under heat or what it's the cf2 model 2.0 Thanks for help upto now ---------------------- |
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Sat 31 Jul 2010 @ 00:31
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philbradshaw Card Holder Posts : 2336 Location : Haslingden Status : Offline
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Fuel checks. Remove the air intake hose from the top of the carburettor & pump the accelerator pedal while looking down the choke tube (barrel) of the carburettor. You should see a jet of petrol from a small arm protruding into the choke tube below the choke flap. If there's no jet of fuel every time the accelerator pedal hits the floor, or just spits or dribbles, then check the screen filter in the carburettor. It's a plastic tube thing inside the brass nut underneath the fuel inlet & can become choked by fine debris. Also detach the hose from the carburettor inlet then route it to where the end can be poked into a container (about 1 pint capacity should be enough for what follows) then crank the engine a few turns; there should be a good spurt of fuel (about 4-6 inch long) from the hose every 2 turns of the engine. If fuel delivery seems poor then remove the top from the fuel pump (screw in middle; may be tight) and check the screen filter that's inside. While removing the cap note which way round the filter sits (small pegs on one side) and make sure that the rubber seal & mating faces are clean when refitting the cap. Use gasket glue on the seal if it seems to have hardened. If fuel delivery doesn't improve then suspect faulty fuel pump or blocked fuel line. To check the latter, detach the hose from the tank side of the fuel pump (expect fuel to run out due to gravity) and blow through the hose to the tank with the filler cap removed until someone listening at the filler can hear bubbling. A piece of clean tube stuffed in the end of the hose makes the blowing somewhat more pleasant... ---------------------- |
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Sat 31 Jul 2010 @ 01:02
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matt426 Card Holder Posts : 19 Location : newport wales Status : Offline
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Just checked all fuel ways and filter are good checked the carb good jet of fuel squirt so can't understand what else it good be ---------------------- |
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Sat 31 Jul 2010 @ 15:44
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Greg Card Holder Posts : 341 Location : Shropshire Status : Offline |
Could be a dirty air filter. Happened to me. I would try removal, temporarily, just to eliminate it. |
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Sat 31 Jul 2010 @ 20:05
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matt426 Card Holder Posts : 19 Location : newport wales Status : Offline
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Sorted the problem it was low fuel pressure so now I've blocked it off the fuel return pipe it runs great now off on a nother holiday 
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Tue 10 Aug 2010 @ 01:20
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