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" |
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