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2005 5.4L F250 loss of power and moaning on acceleration

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2005 5.4L F250 loss of power and moaning on acceleration

 
Old 08-29-2018, 07:30 AM
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Well, to come around full circle, I finally (truly!) found the issue. I'm pretty confident this did it because there isn't any hesitation anymore regardless of the temperature, and to boot, the check engine light went off on its own. The culprit? The fuel pump drive module that lives above the spare tire under the truck bed. You can get it from Rock Auto for $70, and it made all of the difference in the world. I'm glad to finally have a truck that runs right!
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