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SV: [tech] Cold Running Problem



The 16V cars have that control pressure regulator to, it's
located at the side of the cylinder head or motor and has a
vacuum port in it to

Roland Johansson, Swedish Viking
Scirocco 1,6l TIC -82
Http://hem.passagen.se/toker

> Well if the 16v's have them, this sounds precisely like a Warm
Up
> Regulater valve, or pressure regulater problem.  They are the
same
> thing, but peoples call them a bunch of different names. 
Anyway, this
> is exactly the symptoms of my 8v.  It is a small device hooked
up to the
> front of the block with 2 fuel lines leading into it, one
bigger than
> the other.  Once again, this is an 8v and since I don't know
sheit about
> 16v's I have no idea if they have one too.  And BTW if your
reading this
> Verne, I am still waiting for the Regulator valve you said you
were
> sending me :-)  Remember the coil I gave you???
> 
> Jody
> > Hey everyone.  I have been trying to troubleshoot this
problem with
> > my 86 Scirocco 16v.   Here's the problem:
> >   I turn the key and the car starts (fires pretty good) but
then almost
> > immediately dies....this is only the case when the engine is
cold.  Ok,
> > so I try to start it again and it fires but then dies again.
 Once I turn
> > the key and it fires, I just give it some gas and hold the
idle at about
> > 1500 rpm's for about a minute and then it will idle on its
own...only
> > at a very low idle.  Then if I drive and give it a little
too much gas, it
> > will mis-fire/hesitate.  While the engine is still cold the
idle will just
> > barely hang on....almost ready to stall.  I just have to
usually sit and
> > let it warm up for a few minutes and then once the engine
warms up
> > the idle stays very solid and is fine.  And once
> > the engine is warm I will have no problems at
all....starting or idle or
> > anything.  Hmmm....here are things that I've checked (with
the help
> > of the Bently, of course!)....
> >    The cold start valve is working along with the thermotime
switch.
> > The coolant temp. switch was just replaced.
> > So, basically, the car runs great....only when cold it has
idle and
> > running problems but still starts fine.....any ideas.  I've
tried all that
> > I know and can't seem to find any other possibilities.


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