Re: Cold start /Air bypass Valve...???

[Sonic Druid <s_druid@bellsouth.net>]

Paul Hanley wrote:

> Sounds like you are definitely on the right track. There is a small nut on
> the air bypass unit. Loosen it and slide it over a bit, this will close the
> hole a bit. Then tighten it back up of course. Apparently, too much air was
> getting in. I don't think you should see it idle higher than 1300 when
> cold. See if you can get a dwell meter or a CO meter(even better) and
> adjust your mixture. Of course, make sure all vacuum leaks are resolved first.
>
> Good luck!
> Paul Hanley
>
> At 08:53 PM 10/22/98 -0700, Sonic Druid wrote:
> > I recently had an idling problem with my '82 Roco.....
> >it would start but would not idle, and I would have to keep my foot on the
> gas
> >pedal just
> >to keep it running...
> > after a few minutes when it gets warm or hot...the car idles fine...maybe
> a little
> >high but
> >it does idle....
> >
> > anyway, I took it to a mechanic and he replaced the "Air bypass valve",
> and now
> >when you
> >start the car, it jumps to 2000 rpms and sits there for a while before slowly
> >dropping to
> >around 1000 rpms....sounds like a freight train....
> >  Of course the mechanic said that that was standard for the car that I
> had, and of
> >course
> > I found that very hard to believe....
> >
> > anyway, from what I could figure out, the mixture was probably not set
> correctly
> >or maybe
> >way way way too high or rich...
> >  after some adjustments of the mixture along with the idle screw I've
> gotten the
> >initial idle
> > to come down some but not to a perfect setting as of yet since I have to
> start
> >with a
> > "Cold" car....
> >
> >   anybody have any ideas or think I'm on the right track here ???
> >

 thanks for the tip....
 Time to consult my factory service manual for a possible picture of this part...
- --
========================================================================
|   Etop Udoh        |  Southern Polytechnic State University [89-##]  |
|  P.O. Box 4234     |  HTTP://Personal.atl.bellsouth.net/~s_druid     |
| Marietta, Ga 30061 |  << s_druid@bellsouth.net >> <<Eudoh@spsu.edu>> |
| "....D E N Y   E V E R Y T H I N G   -   T R U S T   N O   O N E...."|
========================================================================


- --
To subscribe or unsubscribe, send email to scirocco-L-request@scirocco.org,
with your request (subscribe, unsubscribe) in the BODY of the message.

------------------------------