6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Glow Plug Codes Set

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Oct 3, 2014 | 01:46 PM

#1

jetlr1

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Glow Plug Codes Set

My 2004 6.0 L is setting all 8 glow plug/heater codes (P0671 thru P0678).
What would cause this condition? No other codes are showing - not even the glow plug control module. It starts up very easily, but the outside temp is in the 70's.
Thanks for any helpful advice, Joe

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Oct 3, 2014 | 02:19 PM

#2

Iaff113

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From: Frederick MD

I would say gpcm, that is what happend to me awhile back. but you can ohm test the glow plugs to see if they are working

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Oct 3, 2014 | 02:25 PM

#3

dannyboy950

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It may be a harness issue as well. If the signal can't get from the module to the plugs they won't work either. Corrrosion in the plugs maybe.

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