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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

CHK ENG light for glow plug control module

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Old Mar 10, 2015 | 12:05 AM
  #1  
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kano207
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CHK ENG light for glow plug control module

So; I bought my 07 f350 6.0 the other day. I have a light on that sends a code for glow plug control module, but the truck starts fine, the same in cold temperatures as warm, so far nothing below 32 degrees though.
I dont have the code # at the moment, but will update when i get the scanner back. Any ideas as to why this module is throwing a red flag?
 
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Old Mar 10, 2015 | 12:34 AM
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kano207
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also; if anyone has any suggestions on chips/programmers best suited for this truck please let it be noted. Not looking for raw tire blistering performance, more fuel economy, towing power as a secondary objective
 
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Old Mar 11, 2015 | 12:47 AM
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P0683 is the code, gpcm not communicating with pcm
 
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Old Mar 11, 2015 | 05:07 AM
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LivingLarge
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Cylinder 8 glow plug circuit.... Could just be #8 glow plug.
 
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Old Mar 11, 2015 | 06:03 AM
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WatsonR
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Don't count on mpg gains with a tune
 
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Old Mar 15, 2015 | 01:46 AM
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egregg57
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Take a look at the plug at the glow plug, make sure it isn't cracked. If you have a failed glow plug, the harness connectors are extremely fragile and you'll need the tool to lift it. The glow plug is cheap, the harness about 50 bucks per side.

It is also possible that your module is having an issue. Check that first. The shop I use has a glow plug module that has an issue with glow plug #6. The this module to verify bad glow plugs / harness / module. If it's the module that is an easy swap out. If it is a glow plug, it is really worth your while to change out all the plugs on that side.

Just my experience with that!
 
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Old Mar 15, 2015 | 05:55 AM
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78fordman
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From: Jefferson, Iowa
Sct makes a nice programmer with some decent canned tunes, I have one.
 
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