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EPA caught VW cheating - how does the car know it's being tested?
On 9/20/2015 3:49 PM, sms wrote:
snip I had a smog check this morning on a 2007 Camry. The shop had a new machine for newer vehicles. Since September 2013, 2000 and newer vehicles no longer get tested on the dynamometer and no longer get a probe shoved up their tailpipe. The whole test is done via the OBD-II port (as well as a visual inspection). For diesel vehicles you can see the details he http://www.smogtips.com/diesel-smog-test.cfm So clearly VW was not just looking at wheel rotation, they probably turned on the emission controls whenever they detected something reading the sensors. I wonder if an ELM327 transceiver or a Progressive "Snapshot" would have any effect. |
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