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26 Posts
Truck just started with this code yesterday. Cleared it and came back today with P0676 and pending P0676 need help with fixing this problem. Have instaled IDP FICM 58V no problems starting or running just a DTC please help!
DTC P0676 Glow Plug Low Heat
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482 Posts
looks like your cyl 6 glow plug is dead or bad connection.
P0676 C* O R Cylinder 6 Glow Plug Circuit Glow plug #6 failure Open/shorted circuit, faulty glow plug, failed GPCM
I have too Swamps 58V FIMC, do you ever had code:
U0306 C O R Software Incompatibility with Fuel Injector Control
Module
I had have this since i put the 58 FIMC to the truck.
I can delete it,but it pops right back up.
but not turn the check engine light on..
P0676 C* O R Cylinder 6 Glow Plug Circuit Glow plug #6 failure Open/shorted circuit, faulty glow plug, failed GPCM
I have too Swamps 58V FIMC, do you ever had code:
U0306 C O R Software Incompatibility with Fuel Injector Control
Module
I had have this since i put the 58 FIMC to the truck.
I can delete it,but it pops right back up.
but not turn the check engine light on..
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26 Posts
no other codes have came up. i have had the ficm in my truck for over a month now. so it looks like i have to change the glow plug. i have not changed them before, looks like they are a pain to get to. any pointers?
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5,834 Posts
they're not bad to change but the harness sucks to get out. the connectors get frozen in the heads and the tab you're supposed to use to pull them out breaks off easily
they make a special tool for removing the harness but it doesn't help the situation much
they make a special tool for removing the harness but it doesn't help the situation much
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26 Posts
whats best acsses to the #6 glow plug. removing the wheel well?
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482 Posts
Can't say for sure, i would try just remove the harness rail carefuly and remove the plug.
I remove my glow plugs when i got the heads on the table :thumb:
and test all before i put it back.
I remove my glow plugs when i got the heads on the table :thumb:
and test all before i put it back.
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5,834 Posts
no need to remove the wheel well. get it from the top
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26 Posts
checked the conection to the glow plug it moves around but on there like the number 2,4,and 8 glow plugs. I was told that the GPCM might be the problem too. I wount be able to install a new glow plug until this weekend. is it ok to drive with this DTC?
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26 Posts
picking up the glow plug tomorrow. looks like the best way to get it is from the top by removing the air intake. what tools do i need? 10mm deep socket. do i also have to remove the #2,#4,#6,#8 harrness all at once? thanks for any help and any tricks i hear they break easy coming off. i wiggled them yesterday and they dont feel stuck.
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26 Posts
i tested the glow plug and it came to 105.9 ohm i think its safe to say it was gone.
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482 Posts
sounds like yes to me.
if i were you i would change all four for that side caus its possible that the next one goes soon... or not who knows..
if i were you i would change all four for that side caus its possible that the next one goes soon... or not who knows..
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12 Posts
I don't see that it would cause serious issues as long as you got it replaced fairly soon. It's a breeze on the 6.4 if you pull the fender liner out.
This thread is 5 years old. Pretty sure he has resolved the issue one way or another.
P0676 code after H&S mini maxx and dpf delete
Thank you!
Rallor, did changing your glow plug harness get rid of your P0676 glow plug code? I have read several of your posts because I am having the same issue that you previously had with my truck. I have an 08 F450 and have just installed the H&S mini max maxx (refurbished) and DPF delete. Immediately upon the installation I too received the P0676 code. I had never seen this code before, and find it very hard to believe that something could have gone wrong simultaneously to my installation of the mini maxx and DPF delete. Any info will be appreciated.
Thank you!
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