[V8] Starting Problems

[dsaad at icehouse.net]

The fuel pump relay has a fuse holder/socket on its top. Your owners manual or
the service manual will give the exact location, but it is on the right kick
panel relay/fuse panel.

Dave

Quoting "Korn, Bob" <Bob.Korn at Fike.com>:

> Which one is the fuel pump relay?  Is it under passenger foot well?
> Thanks,
>
> Bob
> -----Original Message-----
> From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf Of
> dsaad at icehouse.net
> Sent: Thursday, January 26, 2006 10:08 AM
> To: v8 at audifans.com
> Subject: Re: [V8] Starting Problems
>
> I am a little confused Steve -
> The factory plug is a standard single electrode, and the most reliable cheap
> replacement was a off-the-shelf Champion single electrode.
> (sorry - can't remember part# now)
>
> The multi-electrode plugs (at least the +4) do not get good reports in a V8.
> I
> yanked mine and went back to OEM, although I now think my real problem was
> my
> fuel pump relay (below).
>
> I also had a hard starting problem that turned out to be the fuel pump
> relay.
> Symptoms were like what you describe. One tell-tale sign is that the engine
> will
> often start just as you release the key, or will start quickly on the second
> try, no matter how long you crank it the first time. It turns out that the
> fuel
> pump and ignition both get their power from the fuel pump relay, but from
> seperate contacts. Clean/adjust the contacts or just try a new relay.
>
> On the fuel pressure, that does sound a little high, but the actual numbers
> are
> specified in the manual.
>
> And on the engine temp sender, make sure you have the right one and it is
> working!
> I remember some confusion over weather it is the variable resistance sender
> -
> same as for the temp guage, or a switch. I believe the correct part is the
> resistance sender, which (again relying on foggy memory) is white, and the
> switch type is black.
>
> Dave
>
>
> Quoting "Buchholz, Steven" <Steven.Buchholz at kla-tencor.com>:
>
> >
> > The shop is reporting that the fuel pressure is excessive (~90PSI), and
> the
> > tech is not able to get the pressure down.
> >
> > At one point he mentioned that the spark plugs appeared to be wet with
> fuel,
> > and I shared with him that there were some on this list who had troubles
> with
> > the factory specified spark plugs.  I did not remember what the general
> best
> > recommendation was.  I did tell him that I personally have not had a
> problem
> > with the factory quad ground $15 each units.  I also questioned whether or
> > not he had replaced distributor caps and rotors ... or ignition wires.  He
> > was not aware of any changes there.
> >
> > I thought I'd post the situation here to see if there were any other
> > suggestions for fixes on excessive cold cranking situations.  Feel free to
> > respond to me or to post back to the list and I'll pass along the feedback
> > ... perhaps we can marshal a new V8 owner to join our group!
> >
> > Thanks!
> > Steve B
> > San José, CA (USA)
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>
>
>
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