At 06:30 PM 1/12/2002, Todd Last wrote:
>According to the Bosch fuel injection book, you are correct.
>The idle stabilization unit is always active.
>
> From the BOSCH book page 26
>
>"The opening of the idle-speed stabilizer depends on the percent dwell - the
>on-off ratio - of the digital control signals from the control unit... The
>greater the on-off ration the further open the stabilizer and the more air
>will
>bypass the throttle. For a warm engine at idle, the stabilizer is open
>part-way
>with a typical dwell of 32%. You can use a dwell meter to measure the on-off
>ratio...

Todd, this refers to the Digifant idle stab valve with controller, *not*
the Digijet idle stab timing-adjuster.  Completely different animals.

david

--
David Beierl - Providence, RI
  http://pws.prserv.net/synergy/Vanagon/
'84 Westy "Dutiful Passage"
'85 GL "Poor Relation"