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Old 05-23-2006, 07:09 PM
A264172 A264172 is offline
Ta ra ra boom de ay
Join Date: Jun 2004
Location: Pittsburgh
Posts: 1,915
Whats this -(M103 rough start)

I have a loss of manifold vacuum (visable on the economy gage) just after start up that is occurs about 50+% of the time. It only lasts 15-45 seconds and then the car runs and idles well. I also have a little clattering lifter, or something (not familiar with what sounds like what), that seems to hang around intermitantly until full opperating temp has been reached.

My theory: Could these symptoms be caused by tired old valve seals and a moderate valve cover gasket leak?

1986 300E 220,000 miles+ transmission impossible
(Now waiting under a bridge in order to become one)

Reading your M103 duty cycle:

Last edited by A264172; 05-23-2006 at 07:14 PM.
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