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UPDATE Re: RE: starts and stalls
Per David's suggestion I jumpered what turned out to be relay terminals
#2 and #3 (the two largest exactly as he described, btw) and low and
behold the fuel pump runs fine even w/o the ignition on. Tried to
start the car w/the jumper in place with no change. It eventually
starts then immediately stalls. At least it seems I've eliminated one
potenial canidate but that was by far the easiest one to fix so I'm
back to square one. I love fixing stuff but hate troubleshooting :-\
Since it starts and runs for a while on starting fluid I don't think
it's an electrical/distributor issue. Besides the cap, rotor, wires
and plugs are all brand spanking new.
The closest thing to a transfer pump I found was what is supposed to be
the fuel tank level sending unit underneath the rear passenger seat. I
didn't actually remove it to verify but that's what Haynes says it
is(which really doesn't count for much since the books is so horribly
wrong at times). Assuming that is the transfer pump, what procedure can
I use to verify it's working?
Thanks again, fellas!
-scott
--- "John S. Lagnese" <jlagnese@massed.net> wrote:
> transfer pump is the prepump and is in the gas tank. Look under the
> back
> seat. There is an access point.
> ----- Original Message -----
> From: "Scott" <gun5ling3r@yahoo.com>
> To: <scirocco-l@scirocco.org>
> Sent: Tuesday, October 26, 2004 8:02 PM
> Subject: RE: RE: starts and stalls
>
>
> > I originally thought it was the fuel pump and did the following
> with
> > inconclusive results:
> > 1)Turning the key on doesn't make the pump run but after trying to
> > start it I can hear it for a few second and I can hear it while it
> > lopes along on starting fluid
> > 2)I couldn't get any voltage at the pump with the key on although I
> > didn't actually pull the connectors off to test.
> > 3)Jumpering ports 4/6 on the relay didn't make the pump run.
> > 4)For a couple of days before it died I noticed a high pitched
> humming
> > or whining coming from the relay/fuse panel...I didn't know what it
> was
> > at the time but I'm wondering if it was the relay. Although if it
> were
> > the relay wouldn't the pump run if I jumpered the terminals? PS I
> > didn't have spade connectors so I just shoved wire in the relay
> > terminals.
> > See what I mean about inconclusive results? #1 doesn't really tell
> me
> > anything, #2 and #3 make me think the pump is bad and #4 just
> confuses
> > me. I suppose I could run cables directly from the battery to the
> pump
> > to be certain it works...How does that sound?
> >
> > I can't get the injectors out by hand and apparently need the
> 'special
> > tool' to pull them and check flow rates. I'm assuming/hoping that
> the
> > 'cleaning' V-dub Folks performed makes that unnecessary....
> >
> > I'd hate to blow a wad of cash on a new pump and find out that's
> not
> > it. Errr...where and what is a transfer pump(!?).
> >
> > You guys rock! Muchas Gracias for the help!
> >
> > -scott
> >
> > --- Eric S <scirocco@vintagewatercooleds.com> wrote:
> >
> > >
> > > Sounds more like a transfer pump failure to me.
> > >
> > > --
> > > Eric
> > > www.vintagewatercooleds.com
> > >
> > > 1981 Scirocco S (TDI swap project)
> > > 1988 Audi 90 Quattro
> > > 1990 Corrado TDI
> > > 1991 Cabriolet (2.0 crossflow 8v project)
> > >
> > > Denny Maula said:
> > > > FUEL PUMP
> > > >
> > > > -----Original Message-----
> > > > From: David Utley [mailto:fahrvegnugen@cox.net]
> > > > Sent: Tuesday, October 26, 2004 2:38 PM
> > > > To: Denny Maula; Scott; Scirocco
> > > > Subject: Re: RE: starts and stalls
> > > >
> > > >
> > > > The 'Fuel Pressure'? What do you mean?
> > > >
> > > >>
> > > >> From: "Denny Maula" <DMaula@gordonrees.com>
> > > >> Date: 2004/10/26 Tue PM 04:35:22 EDT
> > > >> To: "Scott" <gun5ling3r@yahoo.com>, "Scirocco"
> > > >> <scirocco-l@scirocco.org>
> > > >> Subject: RE: starts and stalls
> > > >>
> > > >> Definitely sounds like the FP needs to be replaced
> > > >>
> > > >> -----Original Message-----
> > > >> From: Scott [mailto:gun5ling3r@yahoo.com]
> > > >> Sent: Tuesday, October 26, 2004 1:33 PM
> > > >> To: Scirocco
> > > >> Subject: starts and stalls
> > > >>
> > > >>
> > > >> Hi again campers,
> > > >>
> > > >> One day I was driving down the Highway and the car started to
> cut
> > > out
> > > >> or buck. I managed to make it home but now my 85 8v starts
> and
> > > runs
> > > >> for about 2 seconds but won't idle. Squirting starting fluid
> into
> > > the
> > > >
> > > >> throttle body helps it stay going for a while so I'm thinking
> it's
> > > a
> > > >> fuel issue. Here's what I've checked: -I can't find any vacuum
> > > leaks
> > > >> -The fuel pump doesn't hum when I first turn on the key but
> does
> > > while
> > > >
> > > >> it's running and for a second after it dies so I guess that
> checks
> > > out
> > > >
> > > >> -It's got gas in the tank -I've changed the fuel filter -The
> plate
> > > in
> > > >> the fuel distributor moves freely and appears on center.
> > > >>
> > > >> I had taken it to a place to fix the, at the time, non-idling
> car.
> > > >> (Here's a tip, DO NOT take your water cooled VW to V-dub Folks
> in
> > > >> Irving, Tx). They had he car for 3weeks and only got it to
> idle
> > > > somewhat
> > > >> after a full tune up and 'ultrasonic injector cleaning'. They
> > > > strongly
> > > >> suggested that I buy the weber carb kit and swap out the CIS
> > > injection
> > > >> which sounds fun but is kind of expensive...I suspected they
> > > really
> > > >> wanted me to do that b/c they didn't have a clue how to
> > > troubleshoot
> > > > CIS
> > > >> systems.
> > > >>
> > > >> I'm at the point where I'm going to have to take it to the VW
> > > >> dealership and spend the really big bucks if, for no other
> reason,
> > > to
> > > >> get the problem diagnosed properly and I wanted to know if the
> > > list
> > > >> had any suggestions before I gave up my kids college fund for
> an
> > > 19 yr
> > > >
> > > >> old car (because I would in a heartbeat, you know).
> > > >>
> > > >> Thoughts/suggestions are welcome :-)
> > > >>
> > > >> TIA!
> > > >> -scott
> > > >>
> > > >>
> > > >>
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