Could you possibly disconnect the fuel line from the tank and place it into
a clean jerry can of fresh fuel to see if the tank is the culprit?

Abel.

On Sat, Feb 28, 2015 at 11:30 AM, Neil N <musomuso@gmail.com> wrote:

> Not saying this is the likely cause, as there's much more knowledgable
> folks than me commenting in this thread, but its my misunderstanding
> that a Vanagon fuel system can show
> good pressure but still have a poor delivery rate.
>
> My theory: if fuel tank has enough debris in it,
> after the 30", that debris could block the pickup as fuel gets sucked out.
> Images showing inside of 1990 fuel tank:
>
> http://tinyurl.com/lrwkcpd
>
> your fuel tank may be different though.
>
> Also, assuming your bus doesn't have a pre pump filter, there
> is a screen at the inlet of your fuel pump. Maybe dirt-debris
> could bunch up at this screen and block it after 30" ?
>
> And, could a clogged cat cause the same symptoms?
>
> Neil.
>
> On 2/28/15, Kevin Duvernay <kduvey@gmail.com> wrote:
>
> > Neil, that was my first thought actually. Alan has replaced the fuel
> filter
> > and when he did so he said some rusty looking fuel came out of it...
> > However, the fuel pressure at the testing nipple checks out. clean gas is
> > squirting out of all injectors in a nice conical pattern.
>
>
> --
> Neil n
>
> Blog: Vanagons, Westfalia, general <http://tubaneil.blogspot.ca>
>
> 1988 Westy Images <https://picasaweb.google.com/musomuso/New1988Westy>
>
> 1981 Westfalia "Jaco" Images, technical <http://tubaneil.googlepages.com/>
>
> Vanagon-Bus VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>
>