Re: Need diagnosis

[Paul Krucke <vwfan53@yahoo.com>]

---Paul Hanley <duckie@199.45.32.39> wrote:
>
> >When it's cold and warming up it runs like a tractor, it sounds like
> >it's firing on 2 or 3 cylinders until it warms the problem gradually
> >goes away. I already eliminatted auxilary air regulator and cold
start
> >valve. "snip" could be the fuel pressure regulator, while another
parts guy
> >thinks it could be a bad spark plug wire. While cold and running I
pulled
> off >each spark plug wire (kids don't try this at home unless you like
> getting >zapped) and on the firstcylinder it made just about no
difference. 
> Uh oh!
> >Other symptoms: the rpms don't go up at all when it's cold (normally
> >they should go up to 1500), smells like it's getting too much gas,
plugs
> >look like they are burning normal, the idle fluctuates from 1000 to
560
> >rpms. Thanks for any help!
> I am experiencing the very same problem. Whew, I thought I was the
only
> one. I have actually replaced the Control Pressure Regulator to no
avail.
> In addition, my thermotime, cold start valve, and aux. air reg.
seemed to
> have worked. I pulled the cold start valve, and it starts like a charm
> though(it would crank many times before starting with it attached).
Idles
> low, but turns right over. Leads me to believe there is not enough air
> getting in there. Maybe the air meter, $gulp$. I am hopefully
swapping mine
> with one from my old 84 GLI this weekend, I'll keep you posted.

My similar experiance was realted to a bad coil at low temperatures
and possible corroded grounds.

==
-Paul
http://home1.gte.net/vwfan
90 Audi 90 Quattro 20v
87 Scirocco 16v
87 Jetta GLi
63 Bug Sunroof

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