NHTSA Complaint #11512124 — 2017 CHEVROLET SILVERADO 1500

I drive a 2017 chevrolet silverado 1500 lt 5.3 V8 Pickup. I currently have 86k miles on this vehicle. I am the second owner and lately have been experiencing loss of power, engine hesitation, poor fuel economy, and high oil consumption. I brought my truck to the dealer I purchased it from ( Koons Chevrolet of Tysons Corner VIRGINIA ) I brought the vehicle in for service because back in February I had the check engine light flash and the truck engine almost cutout (whilst traveling at high speeds )completely. This past week I was merging onto a highway and upon pressing the pedal to increase speed to merge safely the engine lost power completely for about 5 seconds and then magically regained power. During this i was almost side swiped and forced to drive on the shoulder almost crashing into the barrier wall. I had the info screen on my dashboard and was able to trace when this issue occurred. Upon switching from V4-V8 mode. Further research with a mechanic friend of mine revealed that Chevrolet has been using the same failing lifters since 2014 and it was a known issue, yet never recalled. How can I go about either fixing this issue or recuperating the sales price I paid for this faulty vehicle? I dont think it's right that the American tax payers bailed out general motors only for them to cut cost by way of reducing the quality of vehicles they were making... absolutely egregious. Please help. Sincerely, Unhappy Taxpayer 🙁