The frequency valve should be buzzing even when the motor is cold. The Lambda is running in "fixed" mode until the engine and the O2 sensor warms up. Unless you can't keep the motor running at all at idle it is not necessary to "bypass" the idle motor system. David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, "blackaddertoo" <blackaddertoo@xxxx> wrote: > > Hi David > > does not the lambda system only cut in when the car has warmed? > > unless the thermister is faulty, telling the lambda system the car > is warm when it is not? > > is it best to do the removal/bypass of idle system using the screws > to help narrow the problem? > 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/