Chevy DEF system failure
Just sharing for other's reference. I own a 2016 2500HD diesel. It currently has 40k miles on the OD. Two days ago the check engine light came on. I checked the error code and it came back as ...
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Not a big deal, get it fixed and you probably won't have an issue for a long time. Or if you don't want to deal with next time, delete it. You don't need to emissions it.
