16v ISV

[ranahan@charter.net (John Erickson)]

I had a problem with my ISV getting stuck in the closed 
position.  The symptom would be an idle that dropped real 
low after coming off full throttle (like roaring up to a 
stop light).  The idle would hit about 400, jump up to 
11-1200, then stabilize around 800.  It got much worse 
when I set the idle by adjusting the duty cycle of the 
ISV.  Last night, I pulled the ISV and cleaned it for the 
third time.  I used mineral spirits and moved the valve 
with a small screwdriver while it was soaking.  Today, its 
much better, but I’m wondering how long it will 
last.  This ISV has never buzzed the way they usually do. 
 Its real quiet, but appears to work.  I’m concerned 
that all the cleaning may have stripped out whatever 
lubrication is in there.  Anyone ever pulled one apart?  

John
Long Beach