[–] ShinyVoater ago
They've been doing this for years. As long as nobody knew they were crooked, nobody'd be the wiser since no investigation would reveal any sort of a defeat device unless they actually tested experimentally(which inspections don't do).
[–] grlldcheese ago
Yea i read up a bit. They were being pretty fucking clever and evil.
If the car was going at a steady speed and not turning, it went to 'test mode'