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  1. Duramax Sixth Generation: 2017-2019 (L5P)
    Hey guys, I’m relatively new to the forum. I have a 2017 3/4 Silverado with 69k miles. I’ve had the truck for a month and a half and had a check engine light come twice for P026D now. I love the truck, but I’ve had to clean the map sensor twice to clear the code. It has not done a force regen...
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