Last one I fixed..
it was a combination of wonky Temp Sensor II - good cold, wonky hot.
plus ...idle switch not making contact.
plus timing too advanced ..

On 10/10/2012 2:00 PM, Marc Perdue wrote:
> Mine does the same thing, even though it's an '87 with the Digifant system.
> Still trying to figure it out.
>
> Marc
>
> On Wed, Oct 10, 2012 at 4:28 PM, HotelWestfalia <zolo@foxinternet.net>wrote:
>
>> I kept the whole 1.9 system intact.
>> Z
>>
>> From: Scott Daniel - Turbovans
>> Sent: Wednesday, October 10, 2012 12:02 PM
>> To: HotelWestfalia
>> Cc: vanagon@GERRY.VANAGON.COM
>> Subject: Re: Idle goes to 1,800 in Park
>>
>> Does it have the full 'full'    2.1 fuel injection system ?
>> or does it still use  1.9 Digijet into which a 2.1 long block  has been
>> installed ?
>>
>> two different cold idle control systems between those two.
>> a 2.1 into an 85 can be done either way.
>>
>>
>>
>>