2005-2007 Ford Focus Alternator Problems - OEM Ford Parts Unfortunately, if you drive a Ford Focus, you may already know this. There seems to be a high number of complaints about Ford Focus alternators on models made between 2005 and 2007. If you are having alternator problems, here are possible causes, and the easiest way to fix them. [alert]Start Your Search for a Replacement Alternator Here[/alert] 2005 Ford Focus Alternator Went Out: 9 Complaints The 2005 Ford Focus has 9 problems reported for alternator went out. Average repair cost is $550 at 83,950 miles.