On Sat, 16 Dec 1995, Gerald Skerbitz wrote:

> The original purpose of starting this list was because I wanted some
> information on how to get my '84 Vanagon to pass emissions testing in MN. 
> I just got back from the testing station, and it failed again (after
> having passed last year).   The measurement that fails is HC. CO is just 
> fine and CO2 is passable. I think that I can probably get it to pass by 
> setting the idle higher and adjusting the timing.  Any other quickies I 
> should try ?  

You could try the only thing that worked for me when all else failed, 
crank the spring on the AFC (if you have one, Bo don't know 84s) a few 
clicks tighter.  I sweated, strained and checked every component on the 
engine, including having the AFC tested by Bosch and that was the only 
action that got it to pass.  

Jack