On Mon, 11 May 1998, Jack Reed wrote:

> Here's the question (as well as the embedded problem)...the van has always
> had a problem with CO2 being in spec.  I've never been able to get it down
> to 1.5.  I was speaking with a local VW guru who told me that all the FI
> equipped motors had an O2 sensor, except that mine doesn't.  The
> supposition here is that a PO swapped out the current non-O2 manifold for
> the prior O2 equipped type.
>
> I don't buy any of this, but it's worthwhile to pose the question to the
> group, maybe I'll get a clue to my unsmoggable issues from someone as
> well.

I believe the '81's came in two flavors: O2 equiped for California
vehicles and non-O2 equiped for Federal models.

You might want to check the archives for the AFM "fix" which might
correct your problem, assuming everything else is OK.

---------------------------------------------------------------------
Tom Young               young@sherlock.SIMS.Berkeley.EDU
Lafayette, CA  94549    '81 Vanagon
---------------------------------------------------------------------