Dave Williams wrote:
>
> I was poking around in the engine compartment of my van (87 Syncro GL) and I
> came across a loose hose.

Hi Dave,

I believe that hose is the vent for the evaporative system. As the level
of gasoline falls in the tank, atmosphere replaces the gas through that
line. You can do anything you want with it but DON'T PLUG IT!

Regards,               John