The Real Bev wrote:
> "Daniel W. Rouse Jr." wrote:
>
> > But if the car's running fine, then the treatment more than likely isn't
> > needed. Generally, I find that this fuel system cleaning treatment only
> > seems to be recommended for issues like excessive carbon build-up.
>
> Old mechanics used to swear by pouring a little water into the carb while the
> engine is running in order to blow out carbon deposits. Outmoded or frugal
> secret in need of revival?

Water?? I never heard of that. Gumout down the carb throat with
engine running would clean out the cylinders - though it was hell on
exhaust systems. I've never done it to an FI car.