[20v] ISV Care?

Doug Johnson ur-quattro at msn.com
Wed Apr 16 16:30:13 PDT 2008

The idle in my '90 q sedan varies between about 600 and 1,200 RPM with no throttle input on my part.  Does that sound like typical failed ISV symptom, or something else.
Also, if it's the ISV, can they be serviced or do I need a replacement?
Thanks for your help!~ Doug

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