Kdrix

My 2017 6.2L V8 (L86) Sierra with 44k miles threw ODB2 codes of P050D and Cylinder 4 misfire. Which led to spend a ton of time studying this damn engine. Thought for sure it was Carbon fiber build up due to direct injection and would require replacing fuel injectors and high pressure fuel lines. Thought about doing the job myself since the bumper to bumper was expired and learning that this fix was not included in the powertrain warranty. However I took it to a dealer, agreed to pay the $160 diagnostic fee to make sure. I waited 3 days and got more mad by the second about this engine. Finally they called and it turns out it was the “Lifter and Pushrod “ Issue that’s well covered on the forum. The good news was that is covered under the powertrain warranty and I have 6 month left before it expired! I told them that after they got the engine running again to clean the fuel injectors ($165). Now I want to find out what is the best catch can out there for this engine.