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 |
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