Quote:
Originally Posted by semtex
Different jurisdictions have different methods for emissions testing, so it depends on where you live. These will pass with flying colors where I live, because all they do here is hook up their computer to your OBDII port to check for codes (aka CELs). If you're clean and haven't had any recent codes, you pass. They don't bother looking under the car to verify you have cats, and they don't put a sniffer in the pipe anymore (unless it's a really old car with no OBDII). If they did use sniffer on my car I'd be screwed. lol
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im in Ontario, i think they run the car at a steady speed on a dyno and shove a device up the tailpipe. so probably would fail if this is the sniffer u were talking about.