[Shotimes] High idle problems

[Zach Leahy]

Unless the IAC is is stuck in a somewhat open position. Therefore unplugging
it will make no difference.
 Any way to bench test one to see if it is functioning right?
 Z

 On 10/11/05, Paul Nimz <pnimz@v8sho.com> wrote:
>
> >What happens when the IAC is disconnected with the car running?
>
> That's a good point. If it is a vacuum leak then disconnecting the IAC at
> hot
> idle will do nothing. If the IAC is controlling the air the engine is
> using
> then it will die or severely stumble.
>
> Paul
>
>
> On 10/11/2005 12:03:31 PM, clubairth@bellsouth.net wrote:
> > Don:
> > I also would suggest a vacuum leak? He has changed a LOT of parts
> without
> > having a good reason. Did he just start changing stuff? What happens
> when
> > the IAC is disconnected with the car running?
> > Does he get the all clear when running the PCM test? I would also run
> the
> > cylinder balance test to gather more information.
> > .
> > .
> >
> >
> >
> > > Vacuum leak. It will only show a code when it is so bad the PCM can no
> > longer
> > > compensate. And then it will show a rich code=the PCM has added all
> > the
> > fuel
> > > it can but the O2s still
> > aren't happy.
> > >
> > > Paul
> > >
> > >
> > > On 10/11/2005 9:11:58 AM, Donald Mallinson (dmall@mwonline.net) wrote:
> > > > Got a note from a member that is having problems with their 95 ATX
> SHO
> > > > with high idle.
> > > >
> > > > It is at 1000 rpm at a stop in gear, and 1500-1700 in neutral.
> > > >
> > > > On light acceleration, the car gets to 35 mph at about 2000 rpm and
> > > > doesn't
> > want to shift to second gear.
> > > >
> > > > The owner recently replaced the IAC valve, TP sensor, VSS sensor,
> > upper
> > > > manifold gasket,
> > > >
> > > > Ox
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