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2015 GMC Sierra 6.2

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About 2015 GMC Sierra 6.2

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  1. I have found the solution - SWAMPS MOTORSPORTS in Murfreesboro TN..... They not only fixed my issue with the lifters failing along with that causing it to bend and break a rod.... They vastly improved the performance of my truck! Long story short - bought 2015 gmc slt 4x4 with 6.2 with 67k miles from Walker Chevrolet in Franklin TN Truck ticked at time of purchase (manager told me the noise was "normal" and from the high pressure injection system) - 1st lie Within 2 months and less than 2000 miles check engine flashing and truck running terrible. Immediately eased t
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