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    2017 6.2 Collapsed Lifter Causing Blue Smoke?

    Backstory: 2017 Yukon Denali 6.2 Just turned 180k, bought 18 months ago from second owner with 155k. Aside from a coil pack, no other engine issues since purchased, oil changes with full synthetic every 5k. Last week, the wife was waiting in the school pickup line, check engine started...

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