2005 6.6 duramax check engine
I have a 2005 GMC Duramax 6.6 while recently coming home through Virginia and West Virginia on North 77 my check engine light came on after about 3 or 4 good mountain passes. Stop for the evening the ...
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The 2005 LLY was prone to overheating and there are some fixes for it. I replaced the LLY turbo inlet with the LBZ one to let in more air. I also deleted the EGR and rerouted the PVC. All of these made a difference. As far as the code goes, I also use the Torque APP on my android phone with an inexpensive blue tooth OBDII module. I've used this many times to read and clear faults on my LML.
