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Full Version: Fusion 1.4Tdci Error Code P0684
Ford Owners Club - Ford Forums > Welcome to Ford Owners Club > General Ford Related Discussions
My Fusion 1.4 tdci 2003 starts fine in a morning but after a couple of minutes the eac fault comes on and it goes into limp mode !,I have had it on a computer and the code it came up with was p0684. does anyone have any ideas where i should start to look to fix this problem.
Just what i found too.
Glow plug control unit fault.

If anyone is interested i have a iPhone app which searches OBD2 codes.
Just search app store for "OBD2 Codes"
Very handy indeed.
Also for anyone who wants to play iPhone / iPod Touch music through an aux connection and wants easy track control -
FordDashboard V1.2
Gives full screen play / pause / swipe for previous and next track, and track art - also ability to customise the background - has a nice ford logo as standard.

I get the same problems on my car. Not sure if its the same code but this is what happens. Seems to be when the air temp is colder. The error will go away when its warm. Im going to have the glow plug/s changed soon so hopefully this might sort it out.

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