Just fuel or air would kill the engine. I still suspect the throttle plates are open or the idle speed motor is not functioning correctly. Have you checked to be sure that somehow the wires connected to the idle motor did not get switched? One opens the motor another other closes it - the other is a common. Harold McElraft - 3354 --- In dmcnews@xxxxxxxxxxxxxxx, Woody <BePositive2000@xxxx> wrote: > > > I tried my other ECU and Idle speed computers w/o change, but did find > out something else when I checked fuel system pressures. The pressures > were within tolerances for normal engine thru warm-up, but for some > reason, the idle went up as the system pressure went up thru warm- up > (starting at 900 rpm, ending at 2600 rpm). Since warm engine idle is 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/