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Dieselgate - VW Group Emission Scandal Discussion around the VW Dieselgate Emissions scandal. Details and news updates can be viewed here: http://forums.tdiclub.com/showthread.php?goto=newpost&t=448336 This forum is a work in progress depending on requirements, usage, etc.

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Old September 18th, 2015, 10:13   #1
TDIpilot4u
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Exclamation Volkswagen's Clean Air Act violations on 2009+ TDIs spark huge recall, investigations

Hmmm wonder what will come from this.

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Items below are no longer being updated. Please see the above FAQ/info for updated information...
Timeline:
9/18/2015 EPA press release: http://yosemite.epa.gov/opa/admpress...b!OpenDocument
9/18/2015 EPA notice of violation: http://www3.epa.gov/otaq/cert/docume...a-09-18-15.pdf
9/18/2015 CARB compliance letter set to Volkswagen: http://www.arb.ca.gov/newsrel/in_use...nce_letter.htm
9/18/2015 Volkswagen statement regarding EPA investigation: http://media.vw.com/release/1064/
9/18/2015 Stop sale notice from VWoA to dealers: http://pics.tdiclub.com/data/3209/stop-sale-note3.pdf
9/20/2015 STATEMENT OF PROF. DR. MARTIN WINTERKORN, CEO OF VOLKSWAGEN AG: http://media.vw.com/release/1066/
9/20/2015 VW’s Emissions Cheating Found by Curious Clean-Air Group - Washington Post article with an overview: http://washpost.bloomberg.com/Story?...206LJABAVM0V73.
9/21/2015 "Volkswagen Canada has issued a stop-sale order to our dealers for all of the affected vehicles pending resolution of this matter": http://www.cbc.ca/news/business/volk...ging-1.3236548..
9/21/2015 Tech presentation from TDIFest over the Labor Day weekend on the subject of DEF and SCR by TDIMeister: http://forums.tdiclub.com/showpost.p...postcount=1613
9/21/2015 Volkswagen the subject of an upcoming congressional hearing: http://energycommerce.house.gov/pres...issions-issues
9/22/2015 CEO Martin Winterkorn issues profuse apology: http://www.telegraph.co.uk/finance/n...ide-6.5bn.html
9/22/2015 Volkswagen admits to "defeat device" being on 11 million EA189 diesel engines world-wide: http://jalopnik.com/volkswagen-admit...s-s-1732283322
September 2015 white paper NOx Control Technologies for Euro 6 Diesel Passenger Cars: http://www.theicct.org/sites/default...2009152015.pdf
11/2/2015: 3.0 V6 TDI engines included in scandal http://www.usatoday.com/story/money/...sche/75044132/
5/30/2014 WVU CAFEE study that uncovered the emissions scandal: http://www.theicct.org/use-emissions...el-vehicles-us

Affected vehicles in the US:


Real world testing:

Vehicle A = 2012 Jetta SportWagen TDI (LNT), Vehicle B = 2013 Passat TDI (SCR), Vehicle C = BMW X5 xDrive35d (SCR)

EPA federal emissions test procedure:


Graph of NOx emissions for various vehicles, compiled by bhtooefr:


There is lots of good information in all of the links above. It is highly recommended reading if you want to know the facts.

Moderator note: any user posting political garbage in this thread will immediately receive a one month ban! Keep it clean, keep it factual, and keep it friendly!

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Last edited by VeeDubTDI; November 2nd, 2015 at 18:04. Reason: This post has been substantially modified to include as much information as possible.
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Old September 18th, 2015, 10:14   #2
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Default Volkswagen Is Ordered to Recall Nearly 500,000 Vehicles Over Emissions Software

http://www.nytimes.com/2015/09/19/bu...ware.html?_r=0

"WASHINGTON — The Obama administration on Friday ordered Volkswagen to recall nearly a half million cars from the road, saying the German automaker used software intentionally designed to circumvent environmental standards for reducing smog.

The Environmental Protection Agency issued the company a notice of violation and accused the company of breaking the law by installing software known as a “defeat device” in 4-cylinder Volkswagen and Audi vehicles from model years 2009-15. The device is programmed to detect when the car is undergoing official emissions testing, and to only turn on full emissions control systems during that testing. Those controls are turned off during normal driving situations, when the vehicles pollute far more heavily than reported by the manufacturer, the E.P.A. said."

"The software was designed to conceal the cars’ emissions of the pollutant nitrogen oxide, which contributes to the creation of ozone and smog. The pollutants are linked to a range of health problems, including asthma attacks and other respiratory diseases.

The state of California has issued a separate notice of violation to the company. California, the E.P.A. and the Justice Department are working together on an investigation of the allegations.

The allegations cover roughly 482,000 diesel passenger cars sold in the United States since 2009.

Affected diesel models include the Volkswagen Jetta (model years 2009-15), Volkswagen Beetle (model years 2009–15), Audi A3 (model years 2009–15), Volkswagen Golf (model years 2009–15) and Volkswagen Passat (model years 2014-15)."
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Old September 18th, 2015, 10:16   #3
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http://www.nytimes.com/2015/09/19/bu...=top-news&_r=0

more info
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Old September 18th, 2015, 10:17   #4
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Default 500,000 VW recalled for emissions software

I guess we know why some 2016 models have been held up in port. Guessing a big fine coming down thhttp://www.nytimes.com/2015/09/19/business/volkswagen-is-ordered-to-recall-nearly-500000-vehicles-over-emissions-software.html?hp&action=click&pgtype=Homepage&modu le=first-column-region&region=top-news&WT.nav=top-news&mtrref=www.nytimes.com&gwh=AECB991B4FB8BB677D 690EB612D9E17E&gwt=pay&assetType=nyt_nowe line.
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Old September 18th, 2015, 10:20   #5
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Will be interesting to see how they deal with a recall. If NOx emissions are 10-40 times higher, seems SCR would be needed to fix the problem. I'm just guessing...
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Old September 18th, 2015, 10:26   #6
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Default Feds are after VW for defeat device in emissions of diesels

http://www.usatoday.com/story/money/...laws/72400018/
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Old September 18th, 2015, 10:28   #7
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Or this explains the tendency for TDIs to get more MPG than the EPA estimates.

(if you turn off (or reduce) the use of fuel as an NOX reactant, mpg goes up)
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Old September 18th, 2015, 10:29   #8
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Default Volkswagen Is Ordered to Recall Nearly 500,000 Vehicles Over Emissions Software

http://www.nytimes.com/2015/09/19/bu...-software.html
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Old September 18th, 2015, 10:34   #9
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Default Volkswagen Is Ordered to Recall Nearly 500,000 Vehicles Over Emissions Software

http://www.nytimes.com/2015/09/19/bu...-software.html

Less emissions may mean less power......
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Old September 18th, 2015, 10:36   #10
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Wow! I'm just reading this news now. Forgive my ignorance (I live in an non-emissions area), how would a car "know" it was being tested?
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Old September 18th, 2015, 10:38   #11
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CR was surprised to get 51 mpg highway - now we know how it was possible!!!
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Old September 18th, 2015, 10:39   #12
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Default EPA Accuses VW of Cheating Emissions

This is epic - almost as good as intercoolers that load up with condensation. Go VW

"The Environmental Protection Agency issued the company a notice of violation and accused the company of breaking the law by installing software known as a “defeat device” in 4-cylinder Volkswagen and Audi vehicles from model years 2009-15. The device is programmed to detect when the car is undergoing official emissions testing, and to only turn on full emissions control systems during that testing. Those controls are turned off during normal driving situations, when the vehicles pollute far more heavily than reported by the manufacturer, the E.P.A. said."

...

"The allegations cover roughly 482,000 diesel passenger cars sold in the United States since 2009. Affected diesel models include the 2009-15 Volkswagen Jetta, 2009–15 Beetle, 2009–15 Golf, 2014-15 Passat and 2009-15 Audi A3."

http://www.nytimes.com/2015/09/19/bu...ware.html?_r=0
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Old September 18th, 2015, 10:41   #13
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Quote:
Originally Posted by 454k30 View Post
Wow! I'm just reading this news now. Forgive my ignorance (I live in an non-emissions area), how would a car "know" it was being tested?
Data from wheel speed sensors (and other things), most likely. If all four wheels aren't behaving similarly, the vehicle knows that it is on a dyno and most likely being tested.
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Old September 18th, 2015, 10:42   #14
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Yeah, more stuff coming out from various news wires on this. Here's NY Times:

http://www.nytimes.com/2015/09/19/bu...=top-news&_r=0
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Old September 18th, 2015, 10:43   #15
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@VeeDubTDI, I didn't realize smog tests were so involved! The last time I had to deal with one it was just a sniffer in the tailpipe and a visual inspection under the hood. Sounds like things have gotten a lot more involved (expensive).
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