no. it is around 30. I just went through this.  the fuel pump put out
about 40 and the regulator knocks it down to 30 for the injectors.  If the
pressure is too high, you rig will also run like crap- really rich!

Matthew Pollard             http://www.uidaho.edu/~poll7356
Dept. of Chemistry               http://www.chem.uidaho.edu
University of Idaho                   http://www.uidaho.edu

On Wed, 24 Jan 2001, Bill Davidson wrote:

> > I think the majority of the fuel line failures could possibly be linked to
> > failed fuel regulators.  If this item fails, your line pressure can go way
> > up and blow off any marginal lines.  My '86 regulator failed (plugged?)
> and
> > blew off the hose that clamps on to the plastic line that runs from the
> > pump back to the firewall.  It was spraying gasoline all over the starter
> > as I was trying to restart the engine!
>
> Very interesting.... perhaps it would be a good idea to just replace the
> fuel pressure regulator along with the fuel lines as preventative
> maintenance...
>
>
>  If the regulator is working
> > correctly, you should only have around 30 psi on these lines--not really
> > that high.
>
> I don't know about your '85, but I'm pretty sure the specification for later
> Vanagons is about 40 psi.... don't have my Bentley here to check... maybe
> someone else can....
>
> Bill
>