Doug.

    The diesel is totally different then a gas version. It sounds like you
have a air leak letting air in. Otherwise it would not be running at all.
Look for hoses off and listen for a hissing sound of leaking air. My intake
manifold gaskets were leaking and I had a hose off.

Joe
----- Original Message -----
From: "Douglas Miller" <Dugbare@AOL.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Friday, December 08, 2000 9:53 PM
Subject: 85 Uneven idle again

> Thanks folks for the advice already coming through,
>     As I sat eating dinner, I thought of one thing that I left out that
might
> be another clue to the puzzle. Then Zoltan also asked about it. When I
took
> the van to a retired Volkswagen friend, he adjusted a few things. One
being
> the idle speed adjusting screw.Through the archives, someone had suggested
> turning the idle screw in to cut the idle surging out/down. When I tried
that
> earlier today, I found that the idle screw was already screwed in all the
> way. I can only back it out.
>     Could the idle speed adjusting screw/throttle valve housing be my
> problem?  Is a 1.9 throttle housing interchangeable with a diesel or a
2.1L ?
>  Is the AFM on a 1.9L interchangeable with a diesel or a 2.1L?
>     Thanks once again,
>     Doug
>