engine managemet light coming on when motorway driving

[alexcorsa]

hi ive got a b 1.2 club 3dr and i service it reguarly and he replaced the air flow meter about 10k ago it was doin what its doing now on slow accelaraton on motorway or siting at 0 for a while the light comes on im cuently 110m away from my house so u can c how this is anoying and comute frm dartford to southhampton everyother week end,

when the light comes on i tedn to stick it in 3rd and nail it up t abot 95mph that nomaly turns it off do you think it could be cloged up like a sensor???????? might change lambda sensor and clean maf???