2004 F350 Loss of Power - Ford Powerstroke Diesel Forum
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Old 01-14-2013, 04:30 PM
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Question 2004 F350 Loss of Power

Ok, the background information. I have owned the truck for around 6 or 7 months. I have changed the oil filter and oil and both fuel filters around 5000 miles ago. As far as I know and can tell the tuck is completely stock. The truck has been running like a champ up until now.

The environmental, it has been about 0 -15* outside for the past week, so my initial thoughts were maybe my fuel was gelling, but it seems to run fine, cold or warm. I have allowed the truck to warm up for a minimum of 10 minutes before I go anywhere. It idles fine, even goes into high idle, turbo spools just fine.

So as I am driving I have noticed a variety of issues. First is that when I go to accelerate there seems to be no power. When I go to get onto the freeway I put my foot into it and the truck revs up to about 2200 - 2500 rpms then it seems to stall, then it may rev up to 3000 rpms, but once it hits 3K it drops out like I've let off the accelerator, even though my foot is still firmly planted into it.

I can hear the turbo spool up through all rpm ranges, yet I have no power. I have searched and it could be a stuck EGR Valve or a HPOP. I am going to clean the EGR Valve and hope that it takes care of the issue.

There is no Check Engine Light, and I don't have a code scanner. So I can't tell if there are any stored codes.

Has anyone experienced this before? I am slightly puzzled as to the problem. It just kinda happened, and it seems slightly intermittent at best. I am still able to drive it but it just seems to be lacking power.

Any help would be greatly appreciated.

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Old 01-14-2013, 08:31 PM
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It sounds like your HPOP is getting ready to give out, but you really need a monitor to help figure this out; there are a number of other conditions that could give a similar symptom. A code reader is of little value unless the condition trips to the code stage.
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