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16v barely running, anyone got some advise?MORE ON THISSUBJECT...

Subject: 16v barely running, anyone got some advise?MORE ON THISSUBJECT...
From: asbfooh at yahoo.com (A J)
Date: Mon Feb 23 01:30:02 2004
In-reply-to: <46247.192.18.98.62.1077520237.squirrel@www.vintagewatercooleds.com>

Eric , its running and then dying out but only after
its warmed up , so what I was thinking was the O2
warms up and then kicks in and dumps too much fuel in
making it pour smoke out the exahust and sounds like
its running on 1 cylinder and then dies , the plugs
were black the first time it did this and I had
checked the plugs about a month before that and they
were perfect , this time it died and then I waited for
things to cool (over 2 hours) and then it started ,
blew out some extra smokey exhaust and then I drove
home , thats why I'm thinking O2 sensor , I guess it
could even be my Cat too causing problems (??) -Aaron 




--- Eric S <scirocco@vintagewatercooleds.com> wrote:
> 
> This is going to be difficult to diagnose.  If you
> feel its a spark
> problem, then get the car to do it again (keeping
> close to home) and then
> pull the plugs and check for spark.
> 
> I have a nagging feeling its a fuel issue though.  I
> had damn near exact
> symptoms with an 8v...granted, toally different fuel
> system (well, CIS,
> but the electronics are different).  Mine, turned
> out to be a case of
> water in my ECU causing wierd shorts (man those
> automated pressure car
> washes can get water in interesting places). 
> Basically, my CPR
> (functional equvalent to your DPR) was just, turning
> off and the car would
> loose power, only run on full throttle and
> eventually just shut down.
> 
> In my case, I figured it out when I had it idling
> fine and I heard the CPR
> stop buzzing all a sudden and the car died.  You're
> gonna have to get a
> bit more scientific, and that means getting the car
> to do it, while you
> have your Bentley and tools, and start checking
> things out.  If the car is
> still firing the plugs, then I'd check your DPR
> current next...it almost
> sounds you're going into a too rich or too lean
> situation.  Alas, I have
> little working knowledge of the CIS-E quirks, and I
> only know to tell you
> to check DPR current cause I see it talked of so
> often in relation to fuel
> mixture on 16v engines.
> 
> Bentely is your friend here...get the car to break,
> and start running the
> tests man.
> 
> BTW, have you replaced your transfer pump lately?
> (just a wild guess)
> 
> -- 
> Eric
> www.vintagewatercooleds.com
> 
> 79 VW Iltis
> 81 Rabbit Truck 2.0 16v
> 81 Scirocco S (TDI Swap project)
> 90 Corrado TDI
> 91 Cabriolet (2.0 Crossflow swap project)
> 
> A J said:
> > So I my 16v broke down awhile back (so I thought)
> on
> > me and I changed the cap rotor and plugs and it
> > wouldnt start , got it towed back to the house and
> > then the next morning it starts (?) So I've been
> > thinking everything is cool and then I take about
> a 25
> > minute drive outa town andthe car strats loseing
> power
> > and then dies , so I'm sitting there with no tools
> and
> > no book , what can I do ? I check my cap and rotor
> > again , it looks ok , I check my coil and clean
> the
> > connections with a rag , maybe something is over
> > heating and then not working ? I waited about 2
> hours
> > and finaly it starts !!?? Thats when I realize I
> think
> > the O2 sensor is going , can anyone agree with me
> on
> > this ? Thanks , Aaron in San Jose -
> >
> >
> >
> >
> >
> >> > > > Well , just as I get my custom short shift
> >> > > installed
> >> > > > and get on the highway to pick up the kid ,
> my
> >> 16v
> >> > > > starts to shug and feels like its running
> out
> >> of
> >> > > gas ,
> >> > > > I pull off the highway and the car dies , I
> >> turn
> >> > > it
> >> > > > over and it starts only with my foot on the
> >> gas
> >> > > and it
> >> > > > sounds like its running on 1 cylinder with
> >> some
> >> > > smokey
> >> > > > exhaust , I can hear my fuel pump come on
> with
> >> the
> >> > > key
> >> > > > and the gas smells like fuel so it must be
> >> getting
> >> > > gas
> >> > > > , luckilly I'm a block from an auto parts
> so I
> >> go
> >> > > over
> >> > > > and get some plugs cap and rotor and just
> go
> >> for a
> >> > > > tune up , double check the parts and put
> them
> >> in ,
> >> > > the
> >> > > > car starts right up but then is just
> >> sputtering ,
> >> > > same
> >> > > > deal as before , so I'm back at my house
> and
> >> the
> >> > > car
> >> > > > is towed back , I looked thru my book for
> >> trouble
> >> > > > shooting , the car ran fine this morning ,
> >> could
> >> > > this
> >> > > > be an ignition problem ? maybe my coil or a
> >> > > problem
> >> > > > with the distributor ? Aaron in San Jose -
> >> > > >
> > --- A J <asbfooh@yahoo.com> wrote:
> >> how do you check the fuel pressure ? -Aaron
> >>
> >>
> >>
> >>
> >> --- Brian McGarvey <brianm@earendel.org> wrote:
> >> > Its a thing inside the distributor, that is a
> >> > non-replacable item that
> >> > usually breaks. Its a magnetic pickup that ells
> >> the
> >> > computer system where
> >> > the engine is and starts the ignition process
> >> >
> >> > remember
> >> > Fuel -- check fuel pressure
> >> > Air -- check compression
> >> > spark -- check timing
> >> > brian
> >> >
> >> >
> >> >  On Thu, 5 Feb 2004, A J
> >> > wrote:
> >> >
> >> > > whats the hall sender ? thanks , Aaron -
> >> > >
> >> > >
> >> > >
> >> > >
> >> > > --- Brian McGarvey <brianm@earendel.org>
> wrote:
> >> > > > My scircco sense says thats it prolly the
> >> > > > distrubutor..
> >> > > > $200 the hall sender is prolly toast.
> >> > > > brian
> >> > > >
> >> > > >
> >> > > > On Thu, 5 Feb 2004, A J wrote:
> >> > > >
> >> > > > > Well , just as I get my custom short
> shift
> >> > > > installed
> >> > > > > and get on the highway to pick up the kid
> ,
> >> my
> >> > 16v
> >> > > > > starts to shug and feels like its running
> >> out
> >> > of
> >> > > > gas ,
> >> > > > > I pull off the highway and the car dies ,
> I
> >> > turn
> >> > > > it
> >> > > > > over and it starts only with my foot on
> the
> >> > gas
> >> > > > and it
> >> > > > > sounds like its running on 1 cylinder
> with
> >> > some
> >> > > > smokey
> >> > > > > exhaust , I can hear my fuel pump come on
> >> with
> 
=== message truncated ===


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Follow-Ups:
- 16v barely running,anyone got some advise?MORE ON THIS SUBJECT...
  - From: scirocco at vintagewatercooleds.com (Eric S)
- 16v barely running, anyone got some advise?MORE ONTHISSUBJECT...
  - From: jdbubb at ix.netcom.com (Dan Bubb)

References:
- 16v barely running, anyone got some advise?MORE ON THIS SUBJECT...
  - From: scirocco at vintagewatercooleds.com (Eric S)

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