content22207 wrote: >Nope: It uses engine vacuum. > > The engine vacuum provides less than 1 bar effective positive pressure to the fuel. The 5 bar provided by the primary fuel pressure to the cold start injector has *slightly* more effect. Do you think about some of the stuff you write sometimes? >The cold start valve isn't an "injector" at all, even though some >people call it that. As you correctly identify, it is nothing more >than an electrically opened valve. > What do you think an injector is then? When combined with a nozzle to atomise the fuel, what you describe IS an EFI injector. For an example of an injector without a nozzle, see the frequency valve.... the cold start injector very definitely has a special nozzle. Martin 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/