Hey everyone rea dthe new TSB'S from Gm on that are listed here http://www.duramaxdiesels.com/forum/forumdisplay.php?f=66http://208.109.104.11/forum/forumdisplay.php?f=66, I updated some that have been updated by GM,It looked like some of the newer Duramax owners that have moded the fuel rails with the race valves and added bigger injectors have taken there trucks in for service and left these part on and GM has pic's updated to show what to look for, Also the can look and see what has been done inside of the ecm from the LLY's to the LMM's.
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