Continuing our informal “series” on diesel-engine problems—common, and, not-so-common—we’re focusing our attention on the Ford 6.7L Power Stroke (code name “Scorpion”), an engine developed exclusively by Ford engineers and assembled completely in-house that’s used in Super Duty rigs from 2011 to today. The “six-seven” has proven itself to be a good engine in the near-decade

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