2024 6.6 Duramax Diesel Problems. Come join the discussion about modifications, towing, classifieds,. The one most commonly reported issue that arose early on in its history was fuel injector failure.

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. I am a first time diesel owner and i have a question for the diesel experts.