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Originally Posted by buick215
Here in the UK our annual inspection includes an emissions test which is done with the vehicle stationary.It does not does not include a Nox test as this really needs to be done with the engine under load to be accurate,ie on a rolling road.
Could someone please enlighten me as to how your tests are carried out in the US ?
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In NYC, we are doing a running dyno test along with a ECU reading. Any Check Engine light is a automatic Fail. Unfortunately, most bill just to read and clear the code.
New York adopted the California/Federal standards, the strictest standards in the United States. I understand the MOT probably still kicks more ass.
