My DB780 simply dies. She might run all day without a problem or she may run 10 minutes. Prior to dying the engine surges, then stumbles and just dies. Filters have been chaged, new fuel pump installed, fuel tank cleaned,lines checked for air leaks, what else could it be? Sometimes after sitting she starts up, but most of the time I have to bleed the system to get her going again. I would appreciate any help you guys can give me.
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