Surge on acceleration - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 08-21-2013, 06:19 AM Thread Starter
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Surge on acceleration

Hate to be asking and not figuring it put myself, especially since i have a hunch or 2. But I have been busy and no signs of slowing down soon

Truck is a 97 F250 ECLB 4x4 E4OD with 322 on clock. Before it is up to perating temperature the truck surges on acceleration. Idles fine cruises fine. But surges on acceleration. Does so at light throttle, medium throttle, or heavy throttle. Youcan feel the truck itself surging and hear motor. So it isnt a busted tach. At operating temp it is smooth as butter. No loss of power. I have had a leaky fuel pump for a bit and thinkjng that it is getting slap wore out and I need to change it. I have every part to do so in garage but the time to do it. What are your thoughts on this theory. Also considering throwing a CPS at it for heck of it.

If anyone has any experience with this exact issue I would love to hear about it.


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post #2 of 3 Old 08-26-2013, 05:48 PM Thread Starter
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Well....CPS fixed it. In case anyone wanted to know.


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post #3 of 3 Old 06-20-2014, 07:14 AM
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I've encountered same problem plus sometimes when I'm sitting at a light,idol rpm will vary a little. Oh yeah, 94 CC F-350,310K. It's getting to the point of being annoying. Thinking it was maybe a fuel filter/pressure issue. Will try CPS sensor first.Thanks!
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