I think as he starts the work he will discover (or the mechanic actually doing the work) that is is a little of all of the above. All of these little problems are cumulative, ie, they add up, not cancel each other out. On most Deloreans they still have origional seals under the intake manifold so that is probably the #1 source of many of the problems. In going in there all of the other things will get taken care of "along the way". David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, "content22207" <brobertson@xxxx> wrote: > Welcome to the wonderful world of vacuum leaks. 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/