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I have a 2000 f150 with a 5.4L. When it sits for a couple of weeks without driving it starts fine and then the engine dies it may do this 4 or 5 times and then is ok. Can any one help me with this problem.
I would suspect the IAC( Idle Air Control) assembly is dieing on you. If you search fot IAC on this site, you will find many articles on this subject and directions on replacing it.
It also probably wouldn't hurt to clean the Mass-Air sensor too.
Jimmy