The cold start valve is activated only during cranking if the motor is cold enough. It is not uncommon for a P.O. to add a switch to activate it to overcome a bad fuel accumulater (hard hot start). Without knowing just how it was wired I can't tell you why you need to hit it when the motor is cold. David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, "gzapf" <x86Daddy@xxxx> wrote: > > > How long is the Cold Start valve supposed to shoot fuel? Is it a > second, or something more like 15 seconds? > > My PO installed a momentary button to activate the Cold Start valve, > but I think they were doing so to compensate for another warm-up > problem... not because the activation based on the thermo-time switch > was deficient... As it stands, in order to cold start, I have to > manually tap this button periodically during the first 10-20 seconds > 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/