I'll try cleaning the idle control module as per a link posted.  I've never
cleaned this one and in my installation it sees lots of dust.
On Dec 21, 2014 12:46 PM, "Stuart MacMillan" <stuartmacm@gmail.com> wrote:

> Best I can do: http://www.gowesty.com/ec_view_details.php?id=23468 <
> http://www.gowesty.com/ec_view_details.php?id=23468&category_id=&category_parent_id>
> &category_id=&category_parent_id=  don’t expect to get your core charge
> back either, but you might get lucky.  I found a used one locally for $75
> from Vanagon repair shop.
>
>
>
> Stuart
>
>
>
> From: Jim Felder [mailto:jim.felder@gmail.com]
> Sent: Sunday, December 21, 2014 11:36 AM
> To: Stuart MacMillan
> Cc: Vanagon mailing list
> Subject: Re: Isolating an idle problem?
>
>
>
> Somebody give me a part number, I'm pretty sure I have a loaner that could
> be purchased if needed and returned if not.
>
>
>
> Jim
>
>
>
> On Sun, Dec 21, 2014 at 1:33 PM, Stuart MacMillan <stuartmacm@gmail.com>
> wrote:
>
> Idle control module, or a vacuum leak (hook up a vacuum gauge).  Try to
> find an ICM to borrow for testing, they are expensive. It's mounted way
> behind the right tail light. Not a very good location for a computer that
> is not waterproofed.
>
> Stuart
>
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of Don Hanson
> Sent: Sunday, December 21, 2014 8:43 AM
> To: vanagon@GERRY.VANAGON.COM
> Subject: Isolating an idle problem?
>
> I've been seeing an intermittent low idle-sometime no idle with my Digifant
> 84 van 92 rabbit/fox/Jetta ecu, etc.  This condition is occasional, when
> not happening, the engine behaves normally, my fuel consumption has not
> changed.
>   My normal idle is about 900 rpm.  Recently I have had the idle decide to
> run at around 400 rpm...it seems to be smooth, but 400 rpm is too low and
> now the motor sometimes dies down there.  When I cycle the key and re
> start, it will again run at the low idle...no "reset"... I have a new temp
> II sensor and new plugs...the old plugs read normal.  My idle control
> thingy hums as normal and I have no obvious new vacuum leaks. Multiple
> different fuel sources.  Throttle switch seems to conform to the Bentley,
> though I have so far only  check ed the mechanical, I have not run any
> electronic diagnosis yet.
>   Anyone want to suggest the most likely cause to this sometimes dying of
> my Digifant inline? Tia, Don Hanson
>