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Third Generation Duramax Electronics/Tuners Discuss 2006-2007.5 LBZ & LLY Duramax engine electronic upgrades including chips, tuners, programmers, etc. is the premier Duramax Diesel Forum on the internet. Registered Users do not see the above ads.
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Old 01-22-2013, 12:33 PM   #1 (permalink)
Gear Grinder
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Glow plug help

I know there is a lot of information on the forum thus far about this topic. I have read and am still stuck. My truck was throwing code for number 3 glow plug circuit failure. I replaced it. A few months went buy and it came back and now it was throing codes for 3 and 7. I changed them both. All connections are good clean evey where. It was good for a week and then started to throw a code again. Once in a while the glow pluyg light wont shut off in the truck when its real cold. It was 10 today and she started but was rough. I took the truck to the dealer to have the gpcm reflashed. The dealer told me it has the most up todate programing available. So where do I turn next. I was thinking of replacing the other 6 glow plugs. But have to make sure I have time set aside incase I do break one. Any suggestions would help. By the way its an 06 lbz

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Old 01-23-2013, 09:41 AM   #2 (permalink)
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Have you searched here for (Glow plug)? Lots to read. (Duramax Third Generation: 2006-2007.5 (LBZ & LLY) Post #11, 14 Are the ones bad that you are changing? They're supposed to have 1 ohm or less resistance. How old are your batteries? If one goes bad and then another alot of people will change all the rest of them while there at it. But you have the same one failing, so something else must be going on.

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Last edited by Ramblinrodney; 01-23-2013 at 10:03 AM.
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