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Old 01-24-2014, 03:15 PM   #1 (permalink)
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throwing P128E code after installing EFI live

I got EFI live installed on Tuesday and didn't have any codes Tuesday day night. Wednesday morning it started throwing the P128E code. I have looked about everywhere and can not find out anything about this code. I am going to take it back in next week and have it looked at. But I was just wondering what the code was for.

2011 chevy 3500 4x4 duramax. EFI custom tune, EGR delete, DPF and DEF delete, 5" exhaust, and edge insite.
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