failed emissions

[Kent McLean]

Brandon Rogers wrote:
> Guys-
> well my car failed emissions - first time I've ever had an issue with any
> car.  Just got off the phone with a "supervisor - let me tell you we are all
> in good hands - I'm highly confident that the people in charge of these
> programs are hard at work and are very competent.
>  
> Anyway....car failed due to NOx.  Got 5.2 with 4.5 allowable.  This is an
> ur-quattro that has been on the road with the 3B for 6 yrs - has passed 3
> times prior. 
>  
> What are others experiences with emissions failures due to NOx? (BTW the NOx
> limit (in CO at least) was just reduced from 8.0 to 4.5.)  My previous test
> I got 3.5 with 8.0 allowable.

Here's something I put together from a bunch of postings. It may help.

<http://www.audifans.com/kb/Emissions_test_tips>

-- 
Kent