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Power Strokes
6.7 Tech
2015-2016 Super Duty Active Regeneration Jack Hammer Valve Issue
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[QUOTE="CurtisF, post: 1321522, member: 829"] It only happens at very specific loads, speeds, and RPM's. In addition, it only happens near the beginning of a regen. After a few miles during regen it's impossible to get it to shudder again. On my truck the regen has to be going for about 2 minutes or so, and after about 7-10 minutes I can't get it to shudder again no matter what I do. So it's a very short period. Speeds I've encountered are around 45-60 mph, usually cruising at very low RPM. At those conditions and at the right point during a regen, slightly push on the pedal and the engine will shudder. Let off the pedal and it stops. Or downshift, and it goes away completely and the truck will accelerate as normal. Do neither and continue trying to accelerate, and the shudder gets worse. [/QUOTE]
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2015-2016 Super Duty Active Regeneration Jack Hammer Valve Issue
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