摘要: |
Like any skill set, mastery takes an investment of free time. And once you've mastered the skill-set of data analysis, it tends to look easy from an onlooker's perspective. However, getting to that point takes practice, patience, and a ton of hard work. The point being, you can lean on the data once you learn to trust it, because the data never lies. This case begins with a request for a second opinion from my good friend and fellow diagnostician, John Hufnagel (of John's Mobile Diagnostics). John was faced with a 1999 Ford F350 with a V10 engine. The vehicle initially came to the shop with a timing fault on one bank of the engine (this was previously confirmed with disassembly and with visible inspection). Only the timing components were removed and replaced (by John himself) and the engine was-assembled by the book. But after starting the engine, John confirmed that all five cylinders of bank #1 were misfiring and under all operating conditions. |