I have a 96 T.A automatic t-top car and having a issue when pulling out it seems to be sluggish. Kinda missing up until around 3000 rpm in first gear then it's fine and runs as it should! I replaced all the o2 sensors and it's still doing it. Could this be a catalyst converter stopped up? Or some thing else. Its had plugs and coil change so fire is correct. Has anyone else had this problem??