You might want to look into getting historic or antique registration for your car. I don't know what state you live in but as of January 1st, 2006 an '81 car is considered in every state to be an antique. With that status, unless your car is a daily driver, you probably won't need an emissions test. Bernie --- In dmcnews@xxxxxxxxxxxxxxx, "vin4258" <vin4258@xxxx> wrote: > > Vin 4258 failed emissions a few weeks ago and after doing a tune up > (plugs, wires, cap, rotor, air filter, oil) it failed again today with > only minimil improvement. Emissions tester says he thinks the O2 > sensor is ok because emission levels pass at high RPM (the > sensor 'kicks in' at a higher RPM but does not affect idle mixture?) > Next option is to adust the idle mixture screw, but when I go looking > for it, it seems to be missing. All I see is a hole with no apparent > end but I do see threads. What is this and can I simply put in a > replacement screw or does this need major work? I have never messed > with it and the car only has 7k miles on it and this is the first > emissions testing I have been required to get since I bought it... > > thanks, > > CRG > To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/