I hope you pulled and cleaned the throttle body first... it's amazing what
gunk between the throttle plae and throttle body can do to the switch gaps.

Tim

At 11:54 AM 5/24/2006 -0700, Robert Keezer wrote:
>David, the switch adjustment was the other advice I forgot to mention.
>   I have found some switches way out of adjustment and it's amazing the
> difference correct gap makes.
>
>   Robert
>   1982 Westfalia
>   1984 GL
>   1984 Westfalia
>   1986 Westfalia
>   1987 Jetta
>   1982 Scirocco
>
>
>David McCallum <dmccom@DIMENSIONAL.COM> wrote:
>   Quoting Robert Keezer :
>
> > Did you check the idle switch adjustment? It should click twice, once
> when at
> > full throttle and once returning to closed throttle . With the engine off ,
> > you can hear these clicks of the switch. The next step if you hear them
> is to
> > check if the switch is working with a ohm meter.
> > The tsting proceedure is shown in the Bentley.
> >
> > Robert
> > 1982 Westfalia
>
>I just went out and checked it, and the switch is functioning properly, but
>where the Bentley says the switch should engage between 0.002-0.004 gap at the
>idle stop screw, my switch point was between 0.0015 and 0.002. I adjusted
>it to
>switch between 0.003-0.004, and my test drive (motor warm) shows normal
>operation of the idle once again!
>
>As I have recently declared victory over this problem, only to have it
>wrenched
>from my grasp, I'll hold off on proclaiming "problem solved", but at this
>point
>I am once again hopeful. The mystery, which I'm certainly willing to
>ignore if I
>have achieved long-term cure of the idle, is why swapping ICMs cured the
>problem
>for my test drive last night. The motor was warm at the beginning of the test,
>and I stopped halfway through (motor off) for about 15 minutes, and throughout
>the idle behaved as it should.
>
>Fingers crossed and idling at ~900rpm...
>
>Thanks, Robert K, for your input! And to everyone else who has responded to my
>dilemma...
>
>David McCallum
>'89 Westy - "Boris"
>
>----------------------------------------------------------------
>This message was sent using IMP, the Internet Messaging Program.
>
>
>
>---------------------------------
>Feel free to call! Free PC-to-PC calls. Low rates on PC-to-Phone.  Get
>Yahoo! Messenger with Voice