I'm having a problem with major high idling (and surging) as well. Replaced
Idle Stabilizer valve (on top of engine), opened up and checked the Idle
Stabilizer Control unit (behind taillight, and  checked every single !$%*&
vacuum line on the van.

What could it be?

Don Preston
'87 Wolfy GL
~Betsy the Mp3 Bus~

----- Original Message -----
From: "Stephen Fry" <Stephen.Fry@BANKOFAMERICA.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Thursday, July 19, 2001 5:51 AM
Subject: Help Major Surging

> Particulars: 85 Westfalia 1.9 liter
>
>   Problem: Major Surging @ 3200+ rpms, Abnormally high idle at one point
> around 1700 rpm
>
>    Fixes: Replaced Idle stabilizer (was having a problem with high idle,
> fixed problem) , 22mdf cap fix for Air Sensor, (was having a total
> intermittent dropoff in power bu tthis was very rare, believe it is
possible
> to air temp sensor?) plugs wires cap not more than 6 months.
>
>
>   Question 1: I believe that it is possible that my old friend is back
much
> worse. This just happened this morning. Believe it could be the air
sensor,
> coming off of track at higher rpm? Any other suggestions or fixes for
those
> of you with similar problems?
>
> Question 2: So I am clear what exactly would happen it temp sensor was
> faulty, what would the symptoms be?
>
> Namaste,
> Stephen
>
> Please reply to the list.
>