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Hello, I'm a new member here and although I have lurked on a number of these forums I don't often post so I'll apologize in advance if I break any rules. I have a 1987 244 that I have owned since 1995 or so. Recently, when starting,the engine barely runs for thirty seconds or more then smooths out and runs fine after. This is only after sitting a while, like overnight. I assumed the fuel pressure was dropping and started checking things which led to eventually replacing both pumps with check valve and sending unit and filter, fuel pressure regulator, throttle switch, and injectors. none of these parts had been replaced before so it was time. When the problem persisted I went back and checked the check valve both with air pressure and vacuum and the regulator also. I did find the new regulator was bad but replaced it with another new one which I tested before installation.The fuel pump relay seems to be okay according to checks in Bently manual. I'm kind of at a loss here and am hoping one of you might have some insight. The car runs great as soon as it starts running right and I'm not sure where to look next.
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