No codes, I was at the dealer today and they didnt check it but stated they didnt know of any problems that could cause it.

I just purchased a 2004 C70 convertible automatic with 36k miles on it and it seems to be hesitating during acceleration. Usually about 3k rpms, but also a little at other times. It is like the car is searching for a gear, shifts up then back down. I have used injector cleaner and am using super unl...