Does anybody have any updates/more insight into this problem? I just got a 2022 Sierra Denali 6.2L in September, it was shuddering from day one. Had to bring it to the dealer twice because they couldn’t diagnose the problem, then eventually a month in I got a check engine light. Dealer says it’s a failed fuel injector, and truck is sitting at the shop waiting for parts. Has having the injector replaced solved all problems for you guys? Very concerning.
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