You could have hard-to-start issues when it is hot outside and the car isn't... that was my issue for the last two years running. But that smog check is coming soon, so I may have to tweak it down to pass. Plus, I get some nasty smells out when I engine brake... I don't like that. On 12/13/05, vin4258 <vin4258@xxxxxxxxxxxx> wrote: > > After a full tune up on vin 4258 I was still not passing emissions > until I purchased a 3mm allen wrench and toned it down a little. I > was surprised that I had to turn the idle mixture screw > counterclockwise between 1/4 and 1/2 turn to get it under the passing > threshold. My question is, what are the ramifications of having the > screw set to where the CO reading is very low as opposed to just > barely passing regulations? 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/