irocz86
New Member
I have a 2008 Duramax LMM and only have 6500 miles on it, the exhuast filter warning came on took it to the dealer and it was suppose to have been fixed, on the way home it came right back, I had a Edge with an attitude, of course I took it out before, also my trailer brake warning came on, they also did the ECM upgrade at the same time, waiting to here what the dealer has to say after they call GM. I love the truck just not the gas milge.
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