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Duramax 6600 Discussion Forum for the Duramax 6600 Diesel Engine, including the LB7, LLY, LBZ, LMM & LML engine specific topics.

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Old 01-17-2018, 11:19 PM
gary_lucas's Avatar
gary_lucas gary_lucas is offline
Join Date: May 2012
Location: Langley
Posts: 372

Originally Posted by Kennedy View Post
The LLY uses a different plug. They seem to be pretty darn reliable. Curious what was done to yours when the head gasket job was done?
IIRC when we did the final review of all the work they said: "Oh hey, one of your injectors looks very slightly sketchy and one of your glow plugs looks like it might be done."

We decided that was work I could do on my own if I had issues down the road.
Also, the glow plug control module was toast and I just replaced that which is why I'm now seeing the error.

I'll just replace it and hope for the best. I'm not seeing anything weird WRT to the injector so I'm not worried about it for the time being.

My truck is just cresting 240k and I'm hoping to see it to 500k
GMC Sierra 2500hd 2004.5 now with ARP studs
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glow plug

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