HI Im new to the forum so hi to everyone . im strugling to get to the bottom of my a3 not starting after its been left over nite or a few hours. its not a cold or hot start problem it just seems to take ages to crank when left . but onece started its fine to restart. then after. but also on tickover and slow town journeys can cause it to be slugish and smell of unburnt fuel . any help would be geat