Dave, If the 02 sensor isn't having to adjust the lower pressure on the fuel distributor because the mixture is almost perfect 14.5 to 1, then it may not make much noise because it isn't having to work very much. John Hervey -----Original Message----- From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx]On Behalf Of painterdave72 Sent: Saturday, August 13, 2005 2:20 PM To: dmcnews@xxxxxxxxxxxxxxx Subject: [DML] Co2 set Hi again I had my c02 adjustment finally set professionally and the car runs great.. I do have a question though.. the frequency valve does not run when the car is warm though now... at least not at idle.. it does run when u give it gas and let off and such.. but just idleing warm it doesnt.. the c02 was set by a c0 machine so it is right now.. any suggestions on this..?? Is this bad?? thanks..Dave..vin 15275 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 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/