Maybe their machine was broken.  I passed like that once.

Linda Bartnik wrote:
>
> Hey all,
> Surprisingly, I passed northern VA's emissions inspection today!
> Woohoo!!!!
>
> I passed the visual surprisingly and then I passed the sniffer test. For
> the sniffer test, they back the drive wheels up onto a a dyno and leave
> the other wheels on the ground (I don't know what they do for Syncros).
> They stick a probe up the tailpipe and then run the car at 15 mph and 25
> mph, with engine rpm not to exceed 3000 rpm.  This meant 3rd gear at 25
> mph for my '81 air-cooled Vanagon.
>
> Here are the results:
>
> EMISSIONS CONTROL SYSTEMS INSPECTION:
> Air Injection System:  N/A
> Exhaust Gas Recirculation System:  PASS
> Positive Crankcase Ventilation System:  PASS
> Catalytic Converter:  PASS
> Fuel Evaporative System:  PASS
> Thermostatic Air Cleaner System:  N/A
> Gas Cap Pressure Test:  N/A
> Evaporative System Pressure Test:  N/A
> Evaporative System Purge Test:  N/A
> OBD Fault Code Inspection:  N/A
>
> ASM 2 TAILPIPE EMISSIONS INSPECTION
>
> 15 MPH:
>            Limit         Reading        Result
> HC ppm      157            138           PASS
> CO %        2.24           1.42          PASS
> NO ppm      3002           1492          PASS
> RPM                        2094          VALID
> Dilution                   14.82         VALID
>
> 25 MPH:
>
>           Limit           Reading         Result
> HC ppm     390              137            PASS
> CO %       3.12             1.19           PASS
> NO ppm     2796             1374           PASS
> RPM                         1989           VALID
> Dilution                    14.39          VALID
>
> VISIBLE SMOKE INSPECTION:  PASS
>
> Again, WOOHOO!  Does anyone know what "dilution" is?
>
> PS, it was a good Bus day too.  When my van was done, a NICE '79 Bus
> pulled in for inspection and I spoke to the owner.  Turns out he lives
> right around the corner from me.  Also saw a splittie with roof rack on
> the way home.  Cool.
>
> Thanks,
> Sean Bartnik
> Fairfax, Virginia
> '81 Vanagon L Westfalia
>
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