When mine was sticking it turned out to be my cable fraying and sticking in the housing.
Hopefully, yours is just crudded up.  Take it out, check it for wear, and clean it.

Bill in the Southwest

----- Original Message -----
From: "Greenamyer, William L" <william.l.greenamyer@BOEING.COM>
>
> Is there somet lubricant that is used on the throttle?  Seems that mine is
> sticking not in the closed position but a little ways past the closed
> position.  I have tried various things thus far and was wondering what
> others on the list use.