2024 6.6 Duramax Problems. #1 ยท sep 6, 2023. Though the 6.6 duramax diesel is a true contender in the performance arena, it is evident that the failure can take place at any power level.
Though the 6.6 duramax diesel is a true contender in the performance arena, it is evident that the failure. Everyone that i know who got one already is having bad issues.