what year is ur clio because i know that the coil's on them are murder for going i've got one myself and i have been thru 3 coils already and I've only had it three years failing that u might have a lot of cr*p at the bottom of the tank which is going in the pipes when the car is getting low on fuel.
U shouldn't be letting the car run low on fuel anyyway ya daftie this is the problemmwhich you get when you do this it tells you this you in the manual.
stephen, October 2006