The EPA test was detected by the VW if the rear wheels weren't spinning. A while back, Cadillac did the same thing but used a open hood as a indicator that a EPA test was underway.
On Fri, Sep 25, 2015 at 3:29 PM, Jed Rothwell <jedrothw...@gmail.com> wrote: > This is somewhat off-topic but . . . > > I have had trouble understanding the news reports about the Volkswagen > scandal. I have not found a clear technical description of what happened. I > think the reporters do not understand. > > The gist of it is that when someone plugs a computer into the automobile > onboard computer, something changes. Press reports seem to indicate that > either the actual performance changes, or that the onboard computer begins > to generate fake data. It turns out to be the former. When you disengage > from the onboard computer, NOx emissions increase to a level ~40 times > above US allowed standards. Furthermore, fixing this problem will probably > degrade the performance or fuel efficiency of the car. > > Here is a short but clear explanation: > > > http://www.businessinsider.com/volkswagens-cheating-engines-cant-be-easily-fixed-2015-9 > > Zoom into the graphic box, "how Volkswagens defeat device works." > > The article says they are thinking of installing a Urea injection system > to fix the problem. Piss on it, in other words. Bringing to mind the > saying, "If you was on fire I wouldn't bother to . . ." > > > The people at Volkswagen were unbelievably stupid thinking they could get > away with this indefinitely. > > - Jed > >
