[s-cars] Stalling 100CSQA (2.8 12V V6, 4sp auto)

[Theodore Chen]

fuel pump relay seems like a good candidate.  tapping on the relay 
may not bring it back.

however, you can jumper across the terminals.

this is a quick and easy check, and i would do this before spending
any time or money chasing other possibilities.

-teddy

--- LL - NY <larrycleung at gmail.com> wrote:

> Thanks. The milage of the car (193K) had me thinking that this is
> a possibility. I wonder if a Pressure Test and Flow rate test can
> eliminate this as a cause, since this does require work and $$$, 
> neither of which my friend has. Changing a relay, OTOH, is pretty
> easy. 
> 
> LL - NY
> 
> 
> On Thu, 31 Mar 2005 13:50:17 -0500, TMULLANE at snet.net <TMULLANE at snet.net>
> wrote:
> > Larry,
> > 
> > When my sister-in-law's pump died on her 90, it took
> > a while to figure it out.  She would stop for gas or
> > something, and the car would refuse to start.  Later
> > it would fire right up.  It died while driving once
> > or twice too.  The pump was quiet the whole time.
> > 
> > Tom
> > 
> > 
> > --- Original Message ---
> > From: LL - NY <larrycleung at gmail.com>
> > To: "TMULLANE at snet.net" <TMULLANE at snet.net>
> > CC: s-car-list at audifans.com, quattro at audifans.com
> > Subject: Re: [s-cars] Stalling 100CSQA (2.8 12V V6,
> > 4sp auto)
> > 
> > >Although I also think it is fuel pump related, I
> > can't
> > >imagine the FP quitting intermittently. My friend
> > says
> > >his pump is quiet (like that's a total diagnostic),
> > but
> > >I'm not sure. When my 4KQ's FPR went, it was
> > intermittent,
> > >but there was no roughness, it was totally digital,
> > it either
> > >worked, or it didn't.
> > >
> > >I JUST thought of a possible test. If the car quits
> > or fails
> > >to start, I wonder if tapping on the relay would
> > work to
> > >restart the car. If it works, that may point in that
> > direction,
> > >also perhaps check the temp of the relay.
> > >
> > >Just tossing out ideas.
> > >
> > >I'll keep you all posted on what my friend finds.
> > >
> > >LL
> > >
> > >
> > >On Thu, 31 Mar 2005 12:28:18 -0500,
> > TMULLANE at snet.net <TMULLANE at snet.net> wrote:
> > >> Perhaps a virus going around?
> > >>
> > >> A friend's 1998 (C4) Avant is doing something
> > >> similar.  It has been dying on the road on and off
> > >> for a month or so.  She pulls over, waits a bit,
> > then
> > >> drives off.  Fuel pump, right?  I'm not so sure.
> > The
> > >> problem can happen twice in one day, then disappear
> > >> for a month.  When I pulled codes, there were
> > misfire
> > >> codes for 3 cylinders.  POS?
> > >>
> > >> I think I am going to put a fuel pump in for
> > >> starters.  POS failure is not something you see
> > with
> > >> regularity on the 12v, and the car does have 198k
> > on
> > >> it, so a fuel pump can't hurt.
> > >>
> > >> I'll post results, please do the same.
> > >>
> > >> Tom
> > >>
> > >> Date: Thu, 31 Mar 2005 09:35:55 -0500
> > >> From: LL - NY <larrycleung at gmail.com>
> > >> Subject: [s-cars] Stalling 100CSQA (2.8 12V V6, 4sp
> > >> auto)
> > >> To: s-car-list at audifans.com, Quattro List
> > >> <quattro at audifans.com>
> > >> Message-ID:
> > >> <85e5c2670503310635280bbb16 at mail.gmail.com>
> > >> Content-Type: text/plain; charset=ISO-8859-1
> > >>
> > >> Posting for a friend's '93 100CSQA, sounds SIMILAR
> > to
> > >> Bob Rossato's
> > >> friend's 90Q, except I don't know if the 90 is a
> > post
> > >> 95 (V6) or
> > >> earlier (I-5) car.
> > >>
> > >> Friend started his car this morning, started rough,
> > >> ran, tried to back
> > >> out the driveway, and only got about 10' (3 m) and
> > >> stalled.
> > >>
> > >> Tried re-starting the car several times, cranked,
> > no
> > >> results.
> > >>
> > >> He and his wife tried to push the car back up the
> > >> drive (it was in the
> > >> way), tried for a short while, then, on a lark he
> > >> tried to start the
> > >> car again. It started rough, then ran, and he was
> > >> able to get it back
> > >> up the driveway. He didn't try to continue running
> > >> the car because he
> > >> was already running late, so he took a different
> > car.
> > >>
> > >> I THINK it too sounds like a possible FPR issue,
> > >> although the Fuel
> > >> Pump could be an issue as the car has 193K miles on
> > >> it.
> > >>
> > >> Any ideas?
> > >>
> > >> LL - NY
> > >>
> > >>
> > 
> >
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