Subtle and short lived engine knocking in a 2021 Silverado 1500 Duramax 3.0 when warm and accelerating from a stop. UPDATE: Diesel fuel additive has eliminated 90% of the knocking. Apparently diesel fuel composure changed in 2006 removing some properties that helped make diesel engines operate as designed. Using an additive restores those properties.
Update - 5k mile update and review:    • 5k mile review: Diesel 2021 Chevy Sil...