what up guys i havent been on for a while but maybe you guys could help me out on something ok most of the time when i use my car during the whole day and done for the day and park it in the garage i notice a very strong fuel smell and its been happening since i changed the o2 sensor but before i changed it that never had that smell it was after i changed it i have a 97 grand prix se with intake thats about it so can anyone let me know what it might be ir whats wrong