Re: GTV6 L-Jet question

[Joe Elliott <jee@domain.elided>]

At 1:58 PM -0500 3/18/02, alfa-digest wrote:
> >  I noticed as soon as I turn on the key the fuel pump runs and I can hear
> > fuel
> > flowing through the fuel lines and rail however it never shuts off.
> > shouldn't
> > it shut off once the pressure has been reached?
>
>Nope.  The fuel pump stays on as long as the ignition key is in "RUN"
>position.  The fuel pressure is maintained by the fuel pressure regulator
>in the fuel rail.  It is that canister that joins the left and right bank
>fuel rails together at the front of the engine.

That's not entirely true.  The fuel pump should only be on if the key 
is in the "START" position OR if the airflow meter flap is open.  But 
Nizam is right that the pump will always run regardless of 
pressure--the regulator regulates by sending unneeded fuel back to 
the tank.

Joe
'82 GTV6

--
to be removed from alfa, see /bin/digest-subs.cgi
or email "unsubscribe alfa" to majordomo@domain.elided