I have a 2021 Sierra Denali 1500 ultimate package 3.0L Duramax in Hunter green metallic. No codes when the issue happened. Still waiting on the dealer to get all the parts. Scary thought on how it will have to be replaced...
Long start happened 4 times, 2 times after driving several hundred miles stopped shut off engine then went to restart and it just continually cranks without firing. Luckily on the second attempt it did fire each time. The second two times truck had not run for over 8 hours tried to start and...