A month and a half after the Environmental Protection Agency and California Air Resources Board found “defeat devices” designed to cheat emission tests in nearly 500,000 Volkswagen and Audi vehicles, the agencies’ ongoing investigation found additional Clean Air Act violations in the carmaker’s newer model Porsche, Audi and VW cars.
The EPA announced Monday that it had detected defeat devices in approximately 10,000 model year 2014 to 2016 VW vehicles equipped with 3.0 liter engines. Affected vehicles include the 2014 VW Touareg, the 2015 Porsche Cayenne, and the 2016 Audi A6 Quattro, A7 Quattro, A8, A8L, and Q5.
Regulators previously accused VW of installing the so-called defeat devices on about 482,000 diesel vehicles since 2008. According to the EPA notice of violation, the vehicles contain two modes of operation – temperature conditioning and normal mode. The sophisticated software algorithm in the vehicles is programmed to detect when the car is undergoing official emissions testing, and to only turn on full emissions control systems – the temperature conditioning mode – during that testing.
A copy of the EPA complaint can be viewed here: EPA Notice.
Porsche has since been named in a class action based on the EPA’s allegations. See complaint here: Complaint