I just meant that there doesn't appear to be a stock set of vaules for parameters and an S1 set on the same PCM. It is just the S1 settings and therefore there would be nothing coded specificly that would indicate to the smog test that there were "modifications" from the stock settings. I think that if S1 didn't comply with certain monitoring procedures required by the EPA, the computer test would show up as "not passed" in the states that require it and it seems as though people are passing those computer tests. However each state has different requirements and some states just may not comply with all the EPA testing procedures. I really don't know. Now that little sticker may be a problem for some individuals that perform the test in some states that require a visual inspection. Although the computer may read that nothing is out of the state standard for smog related emmisions, someone that is very "by the book" may not give your vehicle the visual pass needed to clear the test. It might be a good idea for those in states that do require the visual test to get to know a local smog guy and find out how they are about the visual. I know the guy I go to and he always passes any good customer on the visual as long as the comupter check is OK, no matter what you have under the hood!
