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Overview
An owner-operator walking through a recurring DEF injector clog on a 2017 Case IH Farmall 90C Tier 4 tractor. The video covers how to recognize the warning codes, the narrow window to act before limp mode locks you out, and the hands-on steps to remove, steam-clean, and reinstall the injector using basic tools. Most useful for Farmall 90C owners already dealing with this specific issue.
An owner-operator sharing a field-developed fix from their own experience with this tractor, with no apparent dealership or commercial affiliation.