Re: Setting the idle on a 100q

[Pcarselle <pcarselle@worldnet.att.net>]

Andrew Duane USG/PE wrote:
> 
> Hairy green toads from Mars made William J Murin say:
> 
> > My mechanic just got done mucking about with the CO settings on my 100q.
> > Seems to have alleviated--but not totally solved--the acceleration stumble
> > when cold problem.
> >
> > However, the idle seems to have dropped 50 to 75 rpms as a result of
> > adjusting the CO settings.
> >
> > Looked in his Mitchell's guide and it says that the idle speed is
> > electronically adjustable.  Apparently no way to turn a screw & boost the
> > idle a bit.
> >
> > True?  Or is there a way to adjust the idle?
> 
> I seem to recall that this is true. The idle can't really
> be set directly. I will se what Mr Bentley has to say about this.
> 
> On the subject, I want to pull the ISV out of my '89 100Q, and
> possibly the long hose underneath that goes toward the back of
> the engine compartment. They need to be cleaned and checked for
> leaks.  Any BTDT's?
> 
> I assume that unplugging the ISV on this car should make the idle
> stumble and possibly die. Doing it on mine has no effect on the
> crappy idle, or on the low RPM stumble.
> 
> I'm going to clean and diagnose everything there: ISV, idle
> switch, vaccuum lines, etc.
> 
> --
> 
> Andrew L. Duane (JOT-7)                 duane@zk3.dec.com
> Compaq Computer Corporation             (603)-884-1294
> 110 Spit Brook Road
> M/S ZKO3-3/U14
> Nashua, NH    03062-2698
> 
> Only my cat shares my opinions, and she's too psychotic to express it
Andrew:
I vote for vaccuum leak....next vote for leak in the air cond. system...
Let me know
Pablo