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Power Strokes
6.4 Aftermarket
Shaking at light throttle
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[QUOTE="madman1234509, post: 566505, member: 3910"] Lift pump is only supposed to put out 3 or so psi. As stated truck has 60-65k on it. Never beaten on. Tuned with an edge for last 10k and Spartan last week or two. New precision converter put in last week. Was shaking before the converter and Spartan. Also egr delete with no gate.. Sounds like today he brought it to his friend that is a ford tech to hook it up to a ford tool to see what the valves in the injection pump were doing while it was running, vs what they were being commanded to do. And apparently happened to throw a gauge on the lpfs while doing so. I'm going to talk more with him tomorrow to find out a little more about his readings of the lift pump pressure. I highly doubt he read the wrong units. [/QUOTE]
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