Question about Ford F-250
It's can be difficult to figure these things out sometimes. I looked up your rpoblem in my Haynes Diesel Engine Repair Manual to see if it had anything. This is what it has to say, I've listed them in the same order as they did for a surging engine under load (driving).
1. Torque converter clutch engages too soon
3.Restricted fuel filter
4. Injection pump housing pressure too high (obstruction in fuel return line)
5. Insufficient injector line volumn
6. Insufficient injector nozzle opening pressure
Hope there is something in here to help you. This book covers the Ford 6.9 and 7.3 in excellent detail if that's what you have. The symptoms apply to any diesel not just these 2 engines. Hope this helps.
Posted on May 25, 2011
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Posted on Jan 02, 2017
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