My 2006 heritage has a low speed miss or light bucking at around 10 to 15mph in first gear. It will do it in second also if I'm going slow enough. I'm not talking about slow speed chug (going to slow for the gear). It Idles great, pulls good once out of the low end speed and runs great in the mid and high ranges. I put a new set of Harley plugs in and had the stealer in stall the new style fuel injectors. (06 had a problem with injectors) I've also run some fuel injector cleaner and so for nothing seems to solve the problem. So any feedback would be appreciated. Also I should mention that nothing came up when I pulled the codes and the dealer did not find any either.