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Couple things to look into for new owners of 2023 Duramax 3.0 Engines
Rubbing trans cooler line
Oil consumption
DEF consumption
Then an update to my fuel mileage. This is consisting of to and from work plus hauling the kids around to where they need to go plus grocery store runs and basic errands - essentially, real life stuff... As an Amazon Affiliate / Influencer, I earn from qualifying purchases. Your support is appreciated as it helps the channel to continue to test products!
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