So, she starts fine enough then runs for a couple of minutes before shutting down. Then struggles to fire up again. Then won't after the third or fourth attempt. AA Man said his computer was reading a fault on the Fuel Temperature Sensor(?) He couldn't find it but said it was telling the ECU that the fuel temp was minus 30 ( presumably the lowest poss. reading) and flooding the engine.

Likely, or are the above symptoms more like a MAF Sensor fail?