hi guys i am new but i am after some advice please if anyone can advice me?

i have a xr2i she has been stud for over a year just had her mot which she past after some welding

she started straight away after been stud for so long which she has always has done but last week filled her with petrol at the garage and she took ages to start but finally did in the end!!!

i have left her stood again for a week and now she wont start again she just turns over and over again?

i dont think i can smell petrol tho i can hear the pump working but sounds different to normal but arnt 100% sure tho?

any help or advice would be great please or anyone who knows what it can be?

thanks in advance

andy