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  1. Duramax Fifth Generation: 2011-2016 (LML)
    I have a '15 that I bought new. Only thing I've done is add Banks cold air intake and Banks Pedal Monster. Back in June, check engine light on. Threw code P140C. Took to dealer, new EGR valve. $$$. Just last month, check engine light again. Threw codes P2599 and P003A. Dealer says need new turbo...
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