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The saga continues....
I found this Cummins bulletin:
https://static.nhtsa.gov/odi/tsbs/2021/M...3-9999.pdf
It seems that a water contamination could be a culprit here as well.

(10-29-2023 )walterk Wrote: [ -> ]The saga continues....
I found this Cummins bulletin:
https://static.nhtsa.gov/odi/tsbs/2021/M...3-9999.pdf
It seems that a water contamination could be a culprit here as well.

Then make sure your fuel water separator is doing its job and that any water in the bottom of it is drained/checked weekly.