Look for a vacuum leak. A hose could be pulled loose - or rotted. I had
the same problem on both of my 88 GL's. Was a vacuum leak on the hose
from the oil tower to the AFM. =Had rotted underneath where  you
couldn't see it. A vacuum line on the throttle body had come loose.

John

John Rodgers
Clayartist and Moldmaker
88'GL VW Bus Driver
Chelsea, AL
Http://www.moldhaus.com

On 11/17/2011 9:32 PM, Bruce Todd wrote:
> As the weather turns colder I seem to have an issue with a high
> idle...approx 3000 rpm until the motor warms up after about 7 minutes or
> so.  When I start the van the idle is around 1000 rpm - however once I
> start driving down the block and then put in the clutch or put the van in
> neutral say for stopping at a light, the motor will rev at the 3000 rpm
> mark.  I can kick it down but that only lasts until I begin driving again.
> The motor is 1986 digifant.  I have a relatively short commute to work and
> by the time I get there the van is idling at its regular mark.
>
> Thanks
>
> Bruce
>
> 86 Syncro Westfalia
>
>