[T3] Old Type IIIs (Exhaust Tester

[Phil Hof]

I never saw it in VW publications, but there I read an instruction to adjust
the little potentiometer on the ECU of '72/'73 models to adjust the CO
level.  I don't have the manual (was it Clymer?) that gave a spec, but
memory suggests somewhere between 1-3%.

Our atmosphere contains about 2% CO and the testers are calibrated to this
value prior to test, by the way.

-Phil
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> Date: Fri, 04 Mar 2011 22:12:47 -0600
> From: "Jim Adney" <jadney at vwtype3.org>
> If you find a shop that has an exhaust analyzer, they will probably 
> be most likely to measure CO levels. They may know what to expect, 
> but they're most likely to be familiar with newer cars which will 
> have lower CO than ours. I'm not sure what ours should be. I'd guess 
> 1-3%, but I could be wrong. I'm not aware of any specs that VW 
> published on this for Type 3s.
>
> Were there specs on this, Russ?
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