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Old September 28th 15, 05:42 PM posted to,,
Steve W.[_4_] Steve W.[_4_] is offline
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Default EPA caught VW cheating - how does the car know it's being tested?

dsi1 wrote:
On 9/26/2015 2:58 PM, Ashton Crusher wrote:
On Wed, 23 Sep 2015 18:42:47 +0000 (UTC), Winston_Smith

On Wed, 23 Sep 2015 10:00:58 -0400, Steve W. wrote:

I would bet there will be a software "patch" that will
erase the different testing maps, the cars will then meet the original
EPA standards
I think the point is that the cars can only either meet the emissions
standards with reduced drivability, or, with the addition of a urea

Either will be expensive.

What I'd like to find out someday is what the actual difference "on
the road" is in drivablity between the cars in "cheat" mode versus
when they run with all the emissions turned on like they are supposed
to. It would be funny if there really wasn't very much difference and
they did this just to get 31.9 mpg instead of 31.2 mpg and 0-60 of
12.0 seconds rather then 12.3.

My guess is that VW will use a software update rather than spend
thousands on a hardware fix. I think the update should come with a
hundred dollar check and a 2L bottle of Coke - diet or regular as a
jester of goodwill.

OTOH, my guess is that a lot of folks will just ignore any fix, if they
can avoid it. The big question is will they be compelled by the state or
feds to do this or will this be be treated as just another recall.

You won't be able to ignore it. The EPA has a LOT more power than the
NHYSA does. They will simply blacklist the VIN numbers of all the
vehicles that are not in compliance with the regulations.

Owners will probably get a letter telling them that they have XXX days
to get to a dealer and have the fix done. If they don't they will get a
letter from the Feds telling them that they are driving a non-compliant
vehicle and that the registration has been suspended.

Steve W.