In my personal experience, old oil can contribute to High Hydrocarbon (HC)
readings.  Do an oil and filter change whiler yer at it.
--
Jim Thompson
84 Westfalia 2.1 "Ole Putt"
73 K Ghia Coupe "Denise"
72 411 Station Wagon "Pug"
oldvolkshome@gmail.com
http://www.oldvolkshome.com
**********************************
On 9/11/06, Kim Brennan <kimbrennan@mac.com> wrote:
>
> Okay, my newly acquired Vanagon (stock 2.1) failed emissions.
>
>
>            IDLE                     2500
> HC     53                         241       (limit 125)
> CO% 0.18                     0.53      (limit 1.0)
>
> So, HC is too high at speed. Engine runs fine (with lots of power.)
>
> I had to replace the muffler (which was rotted and rusty and falling
> to pieces. I pulled the old muffler and cat off the engine that used
> to be in my Tristar (which had passed emissions without problems.)
>
> What is the thought here? Tune up? Change the air filter? The HC at
> idle seems high to me (though it is within limits).
>
> Note, I'm trying to do the minimum as this engine will be pulled in
> the near future and replaced with a subaru....but I have to get it
> through emissions NOW so that I can get the registration taken care of.