Gas BBQ (TF7 Telford)

Free standing gas BBQ, very heavy, sturdy, folds down for moving, storing. Serviced last year with new gas pipe and regulator, been dry stored over winter, now lights ok but will not stay lit, keeps going out maybe easy fix ? Collect from TF7 area. NO HOLDING FOR 6 WEEKS, first come first served. Please no silly Qs, it is what the advert says. Collection today preferably