If your car is "misbehaving" only during warm-up either the control pressure regulator is not hooked up right, you have a vacuum leak, or the CPR, aka warm-up regulator, is malfunctioning. There can be other reasons but the CPR is generally the most likely suspect. Especailly if it was running OK and all of a sudden it won't. David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, "Elvis" <elvisnocita@...> wrote: > > --- In dmcnews@xxxxxxxxxxxxxxx, Martin Gutkowski <martin@> wrote: > > > Mine did it only when it was misadjusted ! > > When cold the lambda system is not active, so why would > this be the reason ? > And why would somebody build a car to behave like this under > regular conditions ? > > Ah yes - Martin - you better take another look at the > schematic again concerning that switch.... > > Elvis & 6548 > > > > This is PERFECTLY NORMAL and leave well alone. This is how K-Jet > behaves > > with a lambda system > > > > Martin > > > > John Podlewski wrote: > > > > > Seems I'm having an opposite problem when the car is started it > is > > > hunting the R.P.M's, up and down a few hundred R.P.M's. Until it > warms > > > up usually no more than five minutes at most. Then it is perfect > right > > > where it should be. I'm in South Fl. so it always warm out. > > > > > > Seems like it would be pretty simple to diagnosis, any > suggestions > > > before I assume a vacuum leak of so kind---I hope not.. > 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/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: mailto:dmcnews-digest@xxxxxxxxxxxxxxx mailto:dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> 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/