Could be the fuel pressure regulator...but I doubt it since Andree
said the power loss happens when the engine warms up.  If the
regulator was bad it would show symptoms through all the temp ranges.

Laurence

> Laurence,
>
> How about the fuel pressure regulator near the top of the motor
> it connects a vac line and I think it also is a major intersection
> for the fuel injectors? anyone correct me? I really want to replace
> mine since it looks way tore up, but for the time being I'm
> replacing
> the cloth rubber hose that came apart this weekend. * this
> might have
> made a vac leak on my bus.
>
> Joe
>
> --
> Joseph  Fortino
> fortino1@onebox.com - email
>
>
>
>
> ----         Laurence Smith <lsmith@COGECO.CA> wrote:
> > I think the fuel injection is suspect.
> > It can be a PITA to diagnose and resolve.
> >
> > Based on the numerous fuel injection problems
> > posted on this list and your description of the
> > problem I would break down the cause into probabilties:
> >
> > The high probabilty stuff first:
> > * Worn out Air Flow Meter
> > * Temp II sender gone bad
> >
> > Medium probability:
> > * Timing
> > * Idle stabilizer
> > * Vaccuum leak
> > * O2 sensor
> >
> > Low probability stuff:
> > * ECU
> > * Fuel pump
> > * Fuel pressure regulator
> > * Throttle switch
> > * Collapsed catalytic
> > * Ground wires
> > * Hall sender
> > * Gummed up injector(s)
> >
> > Most of this stuff can be tested with a voltage/ohmn meter and a
> > Bentley manual.
> >
> > My guess: Temp II sender
> >
> >
> > Laurence Smith
> > Hamilton, ON
> > 90 Westy (fanumbos)
> >
> >
> > > -----Original Message-----
> > > From: Vanagon Mailing List
> > > [mailto:vanagon@gerry.vanagon.com]On Behalf
> > > Of Andree Hurley
> > > Sent: Saturday, January 12, 2002 11:54 AM
> > > To: vanagon@GERRY.VANAGON.COM
> > > Subject: Re: Power loss still in '85
> > >
> > >
> > > The latest -
> > >
> > > I took the van first to a dealer service area where he told
> > > me the fuel
> > > injection system is such a problem that the Santa Monica
> > > dealer (where
> > > this guy used to work) charged a minimum of $500 to look at
> > > it, and maybe
> > > they did too (Van Nuys area). I went to a mechanic across
> > > the street who
> > > also thought it was the  fuel system, and said he would
> > > need it for two
> > > hours next week to trouble shoot it. The third shop I went
> > > to actually
> > > drove it, again said it was a fuel problem, mentioned the
> > > pump (which was
> > > replaced once before I got it) might be the problem as I changed
> > the
> > > filter, and if not ther could be a problem anywhere from in
> > > the tank to
> > > the other end. He would need the car for two days. I looked
> > > into getting
> > > an O2 sensor and a new fuel pump but didn't buy either yet.
> > > This only
> > > happens after it has been running and is fully warmed up.
> > > Kind of reminds
> > > me of a vapor problem I had with my truck once, but....
> > >
> > > Andree
> > >
> > >                         ________________________
> > >                               Check it out!
> > >         http://www.viewit.com/
> > http://www.onwatersports.com/
> >                         Both updated with new links!
> >
>
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