Maybe tank fittings are clogged.

Steven
82 Westy
Happily Aircooled
----- Original Message -----
From: Steven X. Schwenk <Steve@Schwenk-Law.com>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Monday, May 17, 1999 1:18 PM
Subject: Why Fuel Level Might Affect Performance

> Before heading out for a weekend trip, i checked to see what
> muight have caused my van to miss a few beats the last time
> i took it out 1 block from home.  i let it warm up and then
> gave it throttle right at the engine while watching the
> tack...it sounded terrible...missing badly at 3000+ RPM when
> i leveld it off and was no longer increasing rpms.
>
> fule level was just above the red reserve level.  I decided
> to fill up and see if that did anything.  It did...it
> completely eliminated the problem...not a single miss on the
> 300 mile trip.
>
> I assume it's time for a new fuel filter.  Does anybody know
> if anything else might  result in the FI not getting
> sufficient fuel flow when the fuel level is low?  The van
> was level mostly and the level was just above the red
> reserve.  When I toook it out on the road, it produced the
> same missing.
> thanks
> steve