First, clean all the grounds. Then with the engine warm, and the idle
stabilizer valve disconnected, re-set your idle speed. Let the engine
get cold, reconnect the ISV, and check the cold start response - idle
about 1200-1300 rpm, then check it's performance after warm up. Thats a
beginning

John Rodgers
88 GL Driver

Myles Cochran wrote:
>
> hey gang-
>
> my '86 Vanagon will randomly increase it's idle speed from time to time. it
> likes to rest itself right around the 2500rpm mark and will stay there for
> days and days, when suddenly, without notice, it will go back to around
> 850-1000 rpms without my doing anything.
>
> I've changed the air cleaner on it thinking that it may have been something
> to do with that, but I really don't know where I should start checking and
> would love some advise.
>
> anyone else out there have a clue?
>
> thanks in advance,
>
> Myles
> Vashon Island, WA
> '86 weekender