With those numbers he needs to start with compression / leak down test. Then look for ignition or lean miss fire. Then basic settings such as ignition timing.
Dennis

> Date: Fri, 10 Jun 2011 15:36:00 -0400
> From: szpejankowski@GMAIL.COM
> Subject: Re: The Dreaded Emissions test
> To: vanagon@GERRY.VANAGON.COM
> 
> Idle is a bit high as well so I would try to check for vacuum leaks and/or improperly closing throttle flap. Then I would adjust the idle and idle mixture to spec. 
> 
> Ken Wilford had an excellent write up on troubleshooting idle issues that would come in handy. I don't have a link, so Google may be the way. 
> 
> Chris.
> 
> Wys�ane z iPhone'a
> 
> Dnia Jun 10, 2011 o godz. 14:42 Ken Wyatt <57skibum@GMAIL.COM> napisa�(a):
> 
> > Howdy vanagonauts,  I'm having trouble getting my 1982 westy to pass
> > Utah emissions.  Scary thing is that it has a new (3000 miles)
> > aircooled 2.0 l FI engine.  I thought it would be no problem to pass.
> > But NOT!!  I'm failing on the idle HC and CO.
> > 
> > Last Friday for the first try, the mechanic tested the engine cold and
> > got HC at 469 (passing is 220 or less), and 2.83 on CO (passing is
> > 1.2% or less)  The higher 2500 RPM test resulted in HC 203 and CO at
> > 0.979 % which was passing just barely passing there.
> > 
> > I figured that it was just the cold engine.  So today I drove it until
> > it was completely at operating temp quick thoughts on where to start
> > or what to check?  The engine sounds perfectly VW to me.  The idle is
> > running about 1100 and I'm wondering if that's slightly high.
> > 
> > It sure would be nice to go camping but no registration..............  No fun!!
> > Ken Wyatt
> > 82 westy