typically it happens after i've given it a thrash, then when I get to a roundabout or junction it'll cut out. this has happened about 6 or 7 times over the last 6 months. a few times it has been when I pressed the clutch pedal down it's cut out and others I haven't touched anything and it's cut out as I approached the r.about or junction.
I haven't a clue what it might be, but don't know if it's worth getting looked at because it doesn't happen all the time