That's interesting. Mine is a late 2012 model. I have only had this issue on three occasions, and all three were the same circumstances: hot day (30 degrees), long run on motorway, tank less than half empty. Filling up has resolved the issue straight away and it hasn't returned until those circumstances are repeated (fortunately not that often in the UK!) which might be the next month or the next year.
My internal explanation, which may well be waffle, is this: the heat builds up air pressure in the tank (because the breather can't cope with those conditions) and as the fuel level falls it allows pressurised air to get into the fuel pipe, causing temporary fuel starvation. Whether it is the opening of fuel cap that allows pressure out, or refilling that eliminates all the air from tank, I don't know. But it has definitely resolved the issue. I've read other people who have had the same problem and resolve it the same way. Where I think it may be an issue I ensure I fill up before I start. The first time it happened (summer of 2017) was at the M2/A2 junction near Faversham, right at the junction roundabout. Scary! I limped to the next petrol station where I had poke around, not really knowing what to do, and thought half an hour to cool down might help. I filled it with petrol while I was there, and it sorted itself out.
The next two times it happened (nce later in 2017, once in 2018) I just refilled without any cool-down time, which again got it going. If it was a failing fuel pump I would have expected the problem to be getting worse/more frequent, and not restricted to the circumstances above.
But I'll bear it in mind if it starts recurring.
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