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

Glowplug codes.

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Old Oct 13, 2013 | 04:49 PM
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Glowplug codes.

Had some dtc's so ran AutoEnginuity and came up with some glowplug codes. There are some fuel stuff on there too but my fuel level gauge has been acting up time to time. My question is since our glowplugs are pretty solid, should I look be looking at the module itself? I have not done anything other than pull these codes. Thanks.

 
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Old Oct 13, 2013 | 05:01 PM
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You need to ohm the glow plug and glow plug wire separately. You can have either one bad and the GPCM will code it. Unfortunately you have to pull the harness to do it and you can break the plugs where they go through the rocker box because they're fragile. You should obtain readings between 0.5 to 2.0 ohms on all four circuits
 
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Old Oct 13, 2013 | 07:08 PM
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Thanks, pulling the harness is a pita. I've done it several times.
 
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Old Oct 13, 2013 | 07:59 PM
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I think I would test right at the 2 plugs at the GPCM first

determine what direction to head

My guess is Bad GPCM since you have Fail DTC for each side
 
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