FWIW. The Freehub probably does need some minor servicing because it sounds like the pawls are not ratcheting properly ...
You can EITHER disassemble the Freehub ([COLOR= #808080]you have to remove the axle and use a ¿10mm? Allen Wrench inserted on the non-driveside of the hub[/COLOR]), clean-and-replace the grease with some WHITE LITHIUM ([COLOR= #808080]or lighter[/COLOR]) grease ...
OR, the sure-to-be-criticized option if you don't have the time-or-inclination method would be to use the oft-dreaded WD-40, and give the junction between the hub body & Freehub a couple of quick squirts ... hopefully some of the WD-40 will penetrate to the pawls BECAUSE most of the WD-40 will stay on the outside of the Freehub concerns about drowning the bearings should be minimal.
If some WD-40 makes it to the pawls, then it will hopefully free up the existing grease to some extant ([COLOR= #808080]grease can dry up[/COLOR]).